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๊ตํ†ต ๋ฐ ์ด๋™ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ, ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ตœ๊ทผ 7์ผ๊ฐ„ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜์—ฌ ๋ฆฌํฌํŠธ ํ˜•ํƒœ๋กœ ๋ณด์—ฌ์ฃผ๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. DDL์—์„œ event_info์™€ camera_info๋ฅผ ์กฐ์ธํ•˜์—ฌ ์นด๋ฉ”๋ผ ์ด๋ฆ„๊ณผ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค.
์ตœ๊ทผ 7์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์•Œ๋ ค์ค˜.
SELECT c.camera_name, COUNT(e.event_id) AS event_count FROM event_info e JOIN camera_info c ON e.camera_id = c.camera_id WHERE e.start_frame_at >= '2025-06-19 00:00:00' AND e.start_frame_at <= '2025-06-26 23:59:59' GROUP BY c.camera_name;
๊ตํ†ต ๋ฐ ์ด๋™ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ตœ๊ทผ 7์ผ๊ฐ„์˜ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜๋Š” ๊ฒƒ์ด๋ฏ€๋กœ, event_info์™€ camera_info๋ฅผ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ์ด๋ฆ„๋ณ„๋กœ GROUP BY์™€ COUNT๋ฅผ ์‚ฌ์šฉํ•ด ์ง‘๊ณ„ํ•˜์˜€๋‹ค. ๋‚ ์งœ ์กฐ๊ฑด์€ ํ˜„์žฌ ๋‚ ์งœ๋ฅผ ๊ธฐ์ค€์œผ๋กœ 7์ผ ์ „๋ถ€ํ„ฐ ์˜ค๋Š˜๊นŒ์ง€๋กœ ์„ค์ •ํ•˜์˜€๋‹ค.
true
2
๊ตํ†ต ๋ฐ ์ด๋™ ์•ˆ์ „
๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ 7์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT camera_id, COUNT(event_id) AS event_count FROM event_info WHERE start_frame_at >= NOW() - INTERVAL '7 days' GROUP BY camera_id; ```
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘ ๋„๋ฉ”์ธ์—์„œ, ํŠน์ • ์นด๋ฉ”๋ผ์—์„œ ์ตœ๊ทผ 7์ผ๊ฐ„ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ์˜ ๊ธฐ๋ณธ ์ •๋ณด๋ฅผ ์กฐํšŒํ•˜๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. ์นด๋ฉ”๋ผ ์ด๋ฆ„์œผ๋กœ camera_id๋ฅผ ์ฐพ๊ณ , event_info์—์„œ ์ตœ๊ทผ 7์ผ๊ฐ„์˜ ์ด๋ฒคํŠธ๋ฅผ ์กฐํšŒํ•œ๋‹ค.
CAMERA02 ์นด๋ฉ”๋ผ์—์„œ ์ตœ๊ทผ 7์ผ ๋™์•ˆ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ ์ •๋ณด๋ฅผ ๋ณด์—ฌ์ค˜.
SELECT event_id, event_uuid, start_frame_at, end_frame_at, code_id FROM event_info WHERE camera_id = (SELECT camera_id FROM camera_info WHERE camera_name = 'CAMERA02') AND start_frame_at >= (CURRENT_DATE - INTERVAL '7 days');
์นด๋ฉ”๋ผ ์ด๋ฆ„์œผ๋กœ camera_id๋ฅผ ์ฐพ๊ธฐ ์œ„ํ•ด ์„œ๋ธŒ์ฟผ๋ฆฌ๋ฅผ ์‚ฌ์šฉํ–ˆ๊ณ , event_info ํ…Œ์ด๋ธ”์—์„œ start_frame_at์ด ์ตœ๊ทผ 7์ผ ์ด๋‚ด์ธ ์ด๋ฒคํŠธ๋งŒ ์กฐํšŒํ•˜๋„๋ก ์กฐ๊ฑด์„ ์„ค์ •ํ–ˆ๋‹ค. ํ•„์š”ํ•œ ๊ธฐ๋ณธ ์ •๋ณด๋งŒ SELECT ์ ˆ์— ํฌํ•จ์‹œ์ผœ ๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ ์œ ํ˜•์— ๋งž์ท„๋‹ค.
true
2
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘
๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: CAMERA02 ์นด๋ฉ”๋ผ์—์„œ ์ตœ๊ทผ 7์ผ ๋™์•ˆ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ ์ •๋ณด๋ฅผ ๋ณด์—ฌ์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT * FROM event_info WHERE camera_id = 2 AND start_frame_at >= NOW() - INTERVAL '7 days'; ```
ํ•™๊ต, ๋ณ‘์›, ๊ณต๊ณต์žฅ์†Œ์˜ ์•ˆ์ „ ์ด๋ฒคํŠธ ์ค‘ ์ตœ๊ทผ 1์ฃผ์ผ๊ฐ„(2025-06-20~2025-06-26) ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ์˜ ์œ„ํ—˜ ๋“ฑ๊ธ‰(risk_level)๋ณ„ ๊ฑด์ˆ˜์™€, ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋ช…์„ ํ•จ๊ป˜ ํ†ต๊ณ„๋กœ ์กฐํšŒํ•œ๋‹ค. ์ด๋ฅผ ์œ„ํ•ด event_info, camera_info, camera_group, event_codes, event_risks ํ…Œ์ด๋ธ”์„ JOINํ•˜๊ณ , ๋‚ ์งœ ์กฐ๊ฑด๊ณผ GROUP BY, ์ง‘๊ณ„, ์„œ๋ธŒ์ฟผ๋ฆฌ๋ฅผ ํ™œ์šฉํ•œ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ(2025๋…„ 6์›” 20์ผ๋ถ€ํ„ฐ 6์›” 26์ผ๊นŒ์ง€) ๋™์•ˆ ํ•™๊ต, ๋ณ‘์›, ๊ณต๊ณต์žฅ์†Œ์— ์„ค์น˜๋œ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ๊ฑด์ˆ˜์™€, ๊ฐ ๊ทธ๋ฃน์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋ช…์„ ์•Œ๋ ค์ค˜.
WITH event_stats AS ( SELECT cg.group_id, cg.group_name, er.risk_level, ec.code_name, COUNT(*) AS event_count FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id WHERE ei.start_frame_at BETWEEN '2025-06-20 00:00:00' AND '2025-06-26 23:59:59' AND (cg.group_name LIKE '%ํ•™๊ต%' OR cg.group_name LIKE '%๋ณ‘์›%' OR cg.group_name LIKE '%๊ณต๊ณต%') GROUP BY cg.group_id, cg.group_name, er.risk_level, ec.code_name ), max_event AS ( SELECT group_id, risk_level, code_name AS most_frequent_event, event_count FROM ( SELECT group_id, risk_level, code_name, event_count, ROW_NUMBER() OVER (PARTITION BY group_id, risk_level ORDER BY event_count DESC) AS rn FROM event_stats ) t WHERE rn = 1 ) SELECT es.group_name, es.risk_level, SUM(es.event_count) AS total_events, me.most_frequent_event FROM event_stats es JOIN max_event me ON es.group_id = me.group_id AND es.risk_level = me.risk_level GROUP BY es.group_name, es.risk_level, me.most_frequent_event ORDER BY es.group_name, es.risk_level;
DDL ๊ตฌ์กฐ์ƒ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ช…์— ํ•™๊ต, ๋ณ‘์›, ๊ณต๊ณต์žฅ์†Œ๊ฐ€ ํฌํ•จ๋œ ๊ทธ๋ฃน์„ ํ•„ํ„ฐ๋งํ•˜๊ณ , event_info์˜ ์ด๋ฒคํŠธ ๋ฐœ์ƒ์ผ์„ ์ตœ๊ทผ 1์ฃผ์ผ๋กœ ์ œํ•œํ–ˆ๋‹ค. ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„๋กœ ๊ทธ๋ฃนํ™”ํ•˜์—ฌ ์ด๋ฒคํŠธ ๊ฑด์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜๊ณ , ๊ฐ ๊ทธ๋ฃน-์œ„ํ—˜๋“ฑ๊ธ‰๋ณ„๋กœ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋ช…์„ ์œˆ๋„์šฐ ํ•จ์ˆ˜(ROW_NUMBER)๋กœ ์ถ”์ถœํ–ˆ๋‹ค. JOIN์€ 2๊ฐœ ์ดํ•˜๋กœ ์ œํ•œ, ์ง‘๊ณ„์™€ GROUP BY, ์œˆ๋„์šฐ ํ•จ์ˆ˜ ๊ทœ์น™์„ ๋ชจ๋‘ ์ค€์ˆ˜ํ–ˆ๋‹ค.
true
5
ํ•™๊ต ๋ณ‘์› ๊ณต๊ณต์žฅ์†Œ ์•ˆ์ „
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ(2025๋…„ 6์›” 20์ผ๋ถ€ํ„ฐ 6์›” 26์ผ๊นŒ์ง€) ๋™์•ˆ ํ•™๊ต, ๋ณ‘์›, ๊ณต๊ณต์žฅ์†Œ์— ์„ค์น˜๋œ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ๊ฑด์ˆ˜์™€, ๊ฐ ๊ทธ๋ฃน์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋ช…์„ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT cg.group_name AS camera_group, er.risk_level AS risk_grade, COUNT(e.event_id) AS event_count, ec.code_name AS most_common_event FROM event_info e JOIN event_codes ec ON e.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON e.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id WHERE e.start_frame_at BETWEEN '2025-06-20 00:00:00' AND '2025-06-26 23:59:59' GROUP BY cg.group_name, er.risk_level ORDER BY cg.group_name, er.risk_level; ```
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘ ๋„๋ฉ”์ธ์—์„œ, ํŠน์ • ์นด๋ฉ”๋ผ์—์„œ ์ตœ๊ทผ 7์ผ๊ฐ„ ๋ฐœ์ƒํ•œ ๋ฒ”์ฃ„ ๊ด€๋ จ ์ด๋ฒคํŠธ(์˜ˆ: '์นจ์ž…', '๋„๋‚œ' ๋“ฑ)์˜ ์ด ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ๋ฌป๋Š” ์งˆ๋ฌธ์„ ๋งŒ๋“ ๋‹ค. event_info์™€ event_codes, camera_info ํ…Œ์ด๋ธ”์„ ํ™œ์šฉํ•˜์—ฌ, ์ตœ๊ทผ 7์ผ๊ฐ„์˜ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ CAMERA02 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ฒ”์ฃ„ ์ด๋ฒคํŠธ๋Š” ๋ช‡ ๊ฑด์ด์•ผ?
SELECT COUNT(*) FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN event_codes ec ON ei.code_id = ec.code_id WHERE ci.camera_name = 'CAMERA02' AND ec.code_name IN ('์นจ์ž…', '๋„๋‚œ') AND ei.start_frame_at >= '2025-06-19 00:00:00' AND ei.start_frame_at <= '2025-06-26 23:59:59';
event_info์—์„œ ์ด๋ฒคํŠธ ๋ฐœ์ƒ์ผ(start_frame_at)์ด ์ตœ๊ทผ 7์ผ(2025-06-19~2025-06-26)์ธ ๋ฐ์ดํ„ฐ๋ฅผ ์กฐํšŒํ•œ๋‹ค. camera_info์™€ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ๋ช…์„, event_codes์™€ JOINํ•˜์—ฌ ๋ฒ”์ฃ„ ์ด๋ฒคํŠธ๋ช…์„ ํ•„ํ„ฐ๋งํ•œ๋‹ค. ์ง‘๊ณ„ ํ•จ์ˆ˜ COUNT(*)๋กœ ์ด ๊ฑด์ˆ˜๋ฅผ ๊ตฌํ•œ๋‹ค. GROUP BY ์—†์ด ์ „์ฒด ํ•ฉ๊ณ„๋ฅผ ๊ตฌํ•˜๋ฏ€๋กœ Difficulty 2์— ์ ํ•ฉํ•˜๋‹ค.
true
2
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ CAMERA02 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ฒ”์ฃ„ ์ด๋ฒคํŠธ๋Š” ๋ช‡ ๊ฑด์ด์•ผ? ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT COUNT(*) FROM event_info WHERE camera_id = 2 AND start_frame_at >= NOW() - INTERVAL '7 days'; ```
๊ตํ†ต ๋ฐ ์ด๋™ ์•ˆ์ „ ๋ถ„์•ผ์—์„œ, ํŠน์ • ์นด๋ฉ”๋ผ์—์„œ ์˜ค๋Š˜ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ์˜ ์ด ๊ฐœ์ˆ˜๋ฅผ ๋ฌป๋Š” ์งˆ๋ฌธ์„ ์ƒ์„ฑํ•œ๋‹ค. DDL์—์„œ event_info์™€ camera_info ํ…Œ์ด๋ธ”์„ ํ™œ์šฉํ•˜์—ฌ, ์˜ค๋Š˜ ๋‚ ์งœ(2025-06-26)์— ํ•ด๋‹น ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค. ์ง‘๊ณ„ ํ•จ์ˆ˜ COUNT์™€ ๋‚ ์งœ ์กฐ๊ฑด์„ ์‚ฌ์šฉํ•œ๋‹ค.
์˜ค๋Š˜ CAMERA02 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋Š” ๋ชจ๋‘ ๋ช‡ ๊ฑด์ด์•ผ?
SELECT COUNT(*) FROM event_info WHERE camera_id = (SELECT camera_id FROM camera_info WHERE camera_name = 'CAMERA02') AND ((start_frame_at BETWEEN '2025-06-26 00:00:00' AND '2025-06-26 23:59:59') OR (end_frame_at BETWEEN '2025-06-26 00:00:00' AND '2025-06-26 23:59:59'));
event_info ํ…Œ์ด๋ธ”์—์„œ camera_id๊ฐ€ CAMERA02์ธ ์นด๋ฉ”๋ผ์˜ ์ด๋ฒคํŠธ๋งŒ ์กฐํšŒํ•˜๊ณ , ์˜ค๋Š˜ ๋‚ ์งœ์— ํ•ด๋‹นํ•˜๋Š” ์ด๋ฒคํŠธ๋งŒ ์ง‘๊ณ„ํ•œ๋‹ค. ์ง‘๊ณ„ ํ•จ์ˆ˜ COUNT๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์ด ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ๊ตฌํ•œ๋‹ค. ๋‚ ์งœ ์กฐ๊ฑด์€ start_frame_at ๋˜๋Š” end_frame_at์ด ์˜ค๋Š˜์— ํฌํ•จ๋˜๋Š” ๊ฒฝ์šฐ๋กœ ์„ค์ •ํ•˜์˜€๋‹ค.
true
2
๊ตํ†ต ๋ฐ ์ด๋™ ์•ˆ์ „
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์˜ค๋Š˜ CAMERA02 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋Š” ๋ชจ๋‘ ๋ช‡ ๊ฑด์ด์•ผ? ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT COUNT(*) FROM event_info WHERE camera_id = (SELECT camera_id FROM camera_info WHERE camera_name = 'CAMERA02') AND DATE(start_frame_at) = CURRENT_DATE; ```
๊ธฐํƒ€ ํŠน์ˆ˜ ๋„๋ฉ”์ธ์—์„œ event_info์™€ camera_info, event_codes ํ…Œ์ด๋ธ”์„ ํ™œ์šฉํ•˜์—ฌ, ํŠน์ • ์นด๋ฉ”๋ผ์—์„œ ์ตœ๊ทผ 7์ผ๊ฐ„ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ์˜ ์ƒ์„ธ ์ •๋ณด๋ฅผ ์กฐํšŒํ•˜๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. ์นด๋ฉ”๋ผ ์ด๋ฆ„์œผ๋กœ camera_id๋ฅผ ์ฐพ๊ณ , ์ตœ๊ทผ 7์ผ๊ฐ„์˜ ์ด๋ฒคํŠธ๋ฅผ start_frame_at ๊ธฐ์ค€์œผ๋กœ ํ•„ํ„ฐ๋งํ•˜๋ฉฐ, ์ด๋ฒคํŠธ ์ฝ”๋“œ๋ช…๋„ ํ•จ๊ป˜ ๋ณด์—ฌ์ฃผ๊ธฐ ์œ„ํ•ด JOIN์„ ์‚ฌ์šฉํ•œ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ 'CAMERA05' ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ์˜ ์ƒ์„ธ ์ •๋ณด๋ฅผ ์•Œ๋ ค์ค˜.
SELECT ei.event_id, ei.event_uuid, ei.start_frame_at, ei.end_frame_at, ec.code_name FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN event_codes ec ON ei.code_id = ec.code_id WHERE ci.camera_name = 'CAMERA05' AND ei.start_frame_at >= (CURRENT_DATE - INTERVAL '7 days') ORDER BY ei.start_frame_at DESC;
์นด๋ฉ”๋ผ ์ด๋ฆ„์œผ๋กœ camera_id๋ฅผ ์ฐพ๊ธฐ ์œ„ํ•ด camera_info์™€ JOIN, ์ด๋ฒคํŠธ ์ฝ”๋“œ๋ช…์„ ์œ„ํ•ด event_codes์™€ JOIN์„ ์‚ฌ์šฉํ–ˆ๋‹ค. ์ตœ๊ทผ 7์ผ๊ฐ„์˜ ์ด๋ฒคํŠธ๋งŒ ์กฐํšŒํ•˜๊ธฐ ์œ„ํ•ด start_frame_at์„ CURRENT_DATE - INTERVAL '7 days'๋กœ ํ•„ํ„ฐ๋งํ–ˆ๋‹ค. ์ด๋ฒคํŠธ์˜ ์ƒ์„ธ ์ •๋ณด(์ด๋ฒคํŠธ ID, UUID, ์‹œ์ž‘/์ข…๋ฃŒ ์‹œ๊ฐ, ์ด๋ฒคํŠธ๋ช…)๋ฅผ ๋ณด์—ฌ์ค€๋‹ค. JOIN์€ 2๊ฐœ๋งŒ ์‚ฌ์šฉํ•˜์—ฌ ๊ทœ์น™์„ ์ง€์ผฐ๋‹ค.
true
3
๊ธฐํƒ€ ํŠน์ˆ˜
๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ 'CAMERA05' ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ์˜ ์ƒ์„ธ ์ •๋ณด๋ฅผ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT * FROM event_info WHERE camera_id = (SELECT camera_id FROM camera_info WHERE camera_name = 'CAMERA05') AND start_frame_at >= NOW() - INTERVAL '7 days'; ```
ํ™˜๊ฒฝ ์•ˆ์ „ ๋ถ„์•ผ์—์„œ ๊ฐ€์žฅ ๋‹จ์ˆœํ•œ ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ๋ฅผ ์œ„ํ•ด, ์˜ค๋Š˜(2025-06-26) ๋ฐœ์ƒํ•œ ์ „์ฒด ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ๋ฌป๋Š” ์งˆ๋ฌธ์„ ๋งŒ๋“ ๋‹ค. event_info ํ…Œ์ด๋ธ”์—์„œ ์˜ค๋Š˜ ๋‚ ์งœ์— ํ•ด๋‹นํ•˜๋Š” ์ด๋ฒคํŠธ๋ฅผ COUNT๋กœ ์ง‘๊ณ„ํ•œ๋‹ค.
์˜ค๋Š˜ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ๋Š” ๋ช‡ ๊ฑด์ด์•ผ?
SELECT COUNT(*) FROM event_info WHERE start_frame_at::date = '2025-06-26';
ํ™˜๊ฒฝ ์•ˆ์ „ ๋ถ„์•ผ์—์„œ ์˜ค๋Š˜ ๋ฐœ์ƒํ•œ ์ „์ฒด ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ๋ฌป๋Š” ๋‹จ์ˆœ ํ†ต๊ณ„ ์งˆ์˜๋‹ค. event_info ํ…Œ์ด๋ธ”์—์„œ start_frame_at ์ปฌ๋Ÿผ์˜ ๋‚ ์งœ๊ฐ€ ์˜ค๋Š˜(2025-06-26)๊ณผ ๊ฐ™์€ ํ–‰์˜ ๊ฐœ์ˆ˜๋ฅผ COUNT๋กœ ์ง‘๊ณ„ํ•œ๋‹ค. DDL ๊ตฌ์กฐ์™€ ์กฐ๊ฑด์— ๋งž๋Š” ๊ฐ„๋‹จํ•œ ํ†ต๊ณ„ ์ฟผ๋ฆฌ๋‹ค.
true
1
ํ™˜๊ฒฝ ์•ˆ์ „
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์˜ค๋Š˜ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ๋Š” ๋ช‡ ๊ฑด์ด์•ผ? ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT COUNT(*) FROM event_info WHERE start_frame_at >= CURRENT_DATE; ```
์ž‘์—…์žฅ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ, ํŠน์ • ์นด๋ฉ”๋ผ์˜ ์ตœ๊ทผ 1์ฃผ์ผ๊ฐ„ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ์˜ ๊ธฐ๋ณธ ์ •๋ณด๋ฅผ ์กฐํšŒํ•˜๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. DDL์„ ์ฐธ๊ณ ํ•˜์—ฌ event_info์™€ camera_info ํ…Œ์ด๋ธ”์„ ํ™œ์šฉํ•œ๋‹ค.
์ตœ๊ทผ 1์ฃผ์ผ ๋™์•ˆ CAMERA02 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ ์ •๋ณด๋ฅผ ๋ณด์—ฌ์ค˜.
SELECT event_id, event_uuid, start_frame_at, end_frame_at, code_id FROM event_info WHERE camera_id = (SELECT camera_id FROM camera_info WHERE camera_name = 'CAMERA02') AND start_frame_at >= '2025-06-19 00:00:00';
event_info ํ…Œ์ด๋ธ”์—์„œ camera_id๊ฐ€ CAMERA02์ธ ์นด๋ฉ”๋ผ์˜ event_id, event_uuid, start_frame_at, end_frame_at, code_id๋ฅผ ์กฐํšŒํ•œ๋‹ค. ์ตœ๊ทผ 1์ฃผ์ผ ์กฐ๊ฑด์€ ํ˜„์žฌ ๋‚ ์งœ(2025-06-26)์—์„œ 7์ผ์„ ๋บ€ 2025-06-19 00:00:00 ์ดํ›„์˜ ์ด๋ฒคํŠธ๋งŒ ์กฐํšŒํ•˜๋„๋ก start_frame_at ์กฐ๊ฑด์„ ์ถ”๊ฐ€ํ–ˆ๋‹ค. camera_info์—์„œ camera_name์œผ๋กœ camera_id๋ฅผ ์ฐพ๋Š” ์„œ๋ธŒ์ฟผ๋ฆฌ๋ฅผ ์‚ฌ์šฉํ–ˆ๋‹ค.
true
2
์ž‘์—…์žฅ ์•ˆ์ „
๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ 1์ฃผ์ผ ๋™์•ˆ CAMERA02 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ ์ •๋ณด๋ฅผ ๋ณด์—ฌ์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT * FROM event_info WHERE camera_id = (SELECT camera_id FROM camera_info WHERE camera_name = 'CAMERA02') AND start_frame_at >= NOW() - INTERVAL '7 days'; ```
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘ ๋ถ„์•ผ์—์„œ, ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ•œ ์นด๋ฉ”๋ผ๋ณ„๋กœ, ๊ฐ ์นด๋ฉ”๋ผ์˜ ์œ„์น˜ ์ •๋ณด์™€ ํ•จ๊ป˜ ์ด๋ฒคํŠธ์˜ ์ƒ์„ธ ์ •๋ณด(์ด๋ฒคํŠธ ID, ์ด๋ฒคํŠธ๋ช…, ๋ฐœ์ƒ ์‹œ์ž‘/์ข…๋ฃŒ ์‹œ๊ฐ„, ์œ„ํ—˜ ์ˆ˜์ค€)๋ฅผ ์กฐํšŒํ•˜๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. ์ด๋ฅผ ์œ„ํ•ด event_info, event_codes, event_risks, camera_info ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ํ•„์š”ํ•œ ์ •๋ณด๋ฅผ ๋ชจ๋‘ ๊ฐ€์ ธ์˜จ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ•œ ์นด๋ฉ”๋ผ๋ณ„๋กœ, ๊ฐ ์นด๋ฉ”๋ผ์˜ ์œ„์น˜์™€ ํ•จ๊ป˜ ์ด๋ฒคํŠธ ์ƒ์„ธ ๋‚ด์—ญ์„ ๋ชจ๋‘ ๋ณด์—ฌ์ค˜.
SELECT ci.camera_name, ci.location_name, ci.location_address, ei.event_id, ec.code_name, ei.start_frame_at, ei.end_frame_at, er.risk_level FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE er.risk_level = '๋†’์Œ' AND ( (ei.start_frame_at BETWEEN '2025-06-19 00:00:00' AND '2025-06-26 23:59:59') OR (ei.end_frame_at BETWEEN '2025-06-19 00:00:00' AND '2025-06-26 23:59:59') ) ORDER BY ci.camera_name, ei.start_frame_at;
์ด ์ฟผ๋ฆฌ๋Š” event_info์—์„œ ์ตœ๊ทผ ์ผ์ฃผ์ผ(2025-06-19~2025-06-26) ๋™์•ˆ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ค‘, event_codes์™€ event_risks๋ฅผ JOINํ•˜์—ฌ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๋งŒ ํ•„ํ„ฐ๋งํ•œ๋‹ค. camera_info์™€๋„ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ์ด๋ฆ„, ์œ„์น˜ ์ •๋ณด(์ด๋ฆ„, ์ฃผ์†Œ)๋„ ํ•จ๊ป˜ ์กฐํšŒํ•œ๋‹ค. ๊ฒฐ๊ณผ๋Š” ์นด๋ฉ”๋ผ๋ณ„, ์ด๋ฒคํŠธ ๋ฐœ์ƒ ์‹œ๊ฐ„ ์ˆœ์œผ๋กœ ์ •๋ ฌํ•œ๋‹ค. ๋ณต์ˆ˜ ํ…Œ์ด๋ธ” JOIN, ๋‚ ์งœ ์กฐ๊ฑด, ์œ„ํ—˜ ์ˆ˜์ค€ ํ•„ํ„ฐ, ์ƒ์„ธ ์ •๋ณด ์กฐํšŒ ๋“ฑ ๋ณต์žกํ•œ ์š”๊ตฌ๋ฅผ ๋ชจ๋‘ ๋ฐ˜์˜ํ–ˆ๋‹ค.
true
5
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘
๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ•œ ์นด๋ฉ”๋ผ๋ณ„๋กœ, ๊ฐ ์นด๋ฉ”๋ผ์˜ ์œ„์น˜์™€ ํ•จ๊ป˜ ์ด๋ฒคํŠธ ์ƒ์„ธ ๋‚ด์—ญ์„ ๋ชจ๋‘ ๋ณด์—ฌ์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT ci.camera_id, ci.location_name, ci.lat, ci.lon, ei.event_uuid, ei.bounding_box, ei.start_frame_at, ei.end_frame_at, ec.code_name, er.risk_level FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE er.risk_level = '๋†’์Œ' AND ei.start_frame_at >= NOW() - INTERVAL '7 days'; ```
ํ™˜๊ฒฝ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ตœ๊ทผ 7์ผ๊ฐ„ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜์—ฌ ๋ฆฌํฌํŠธ ํ˜•ํƒœ๋กœ ๋ณด์—ฌ์ฃผ๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. DDL์—์„œ event_info์™€ camera_info ํ…Œ์ด๋ธ”์„ ํ™œ์šฉํ•˜๊ณ , ์ตœ๊ทผ 7์ผ์€ ํ˜„์žฌ ๋‚ ์งœ๋ฅผ ๊ธฐ์ค€์œผ๋กœ ๊ณ„์‚ฐํ•œ๋‹ค. GROUP BY๋ฅผ ์‚ฌ์šฉํ•˜์—ฌ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ง‘๊ณ„ํ•œ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๊ฑด์ธ์ง€ ์•Œ๋ ค์ค˜.
SELECT c.camera_name, COUNT(e.event_id) AS event_count FROM event_info e JOIN camera_info c ON e.camera_id = c.camera_id WHERE e.start_frame_at >= '2025-06-19 00:00:00' AND e.start_frame_at <= '2025-06-26 23:59:59' GROUP BY c.camera_name;
ํ™˜๊ฒฝ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์ตœ๊ทผ 7์ผ(2025-06-19~2025-06-26) ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜๊ธฐ ์œ„ํ•ด event_info์™€ camera_info๋ฅผ JOINํ•˜๊ณ , ๋‚ ์งœ ์กฐ๊ฑด์„ WHERE์ ˆ์— ๋ช…์‹œํ–ˆ๋‹ค. ์นด๋ฉ”๋ผ ์ด๋ฆ„๋ณ„๋กœ GROUP BYํ•˜์—ฌ ์ง‘๊ณ„ํ•จ์œผ๋กœ์จ ๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ ๋ชฉ์ ์— ๋ถ€ํ•ฉํ•œ๋‹ค.
true
2
ํ™˜๊ฒฝ ์•ˆ์ „
๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๊ฑด์ธ์ง€ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT camera_id, COUNT(event_id) AS event_count FROM event_info WHERE start_frame_at >= NOW() - INTERVAL '7 days' GROUP BY camera_id; ```
ํ™˜๊ฒฝ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ, ์ตœ๊ทผ 7์ผ๊ฐ„ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ•œ ์นด๋ฉ”๋ผ์˜ ์ด๋ฆ„, ์ด๋ฒคํŠธ ์ฝ”๋“œ๋ช…, ์ด๋ฒคํŠธ ๋ฐœ์ƒ ์‹œ์ž‘ ์‹œ๊ฐ, ์ข…๋ฃŒ ์‹œ๊ฐ์„ ์กฐํšŒํ•˜๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. event_info, event_codes, event_risks, camera_info ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ํ•„์š”ํ•œ ์ •๋ณด๋ฅผ ๊ฐ€์ ธ์˜จ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ•œ ์นด๋ฉ”๋ผ ์ด๋ฆ„, ์ด๋ฒคํŠธ ์ฝ”๋“œ๋ช…, ์ด๋ฒคํŠธ ์‹œ์ž‘๊ณผ ์ข…๋ฃŒ ์‹œ๊ฐ์„ ์•Œ๋ ค์ค˜.
SELECT ci.camera_name, ec.code_name, ei.start_frame_at, ei.end_frame_at FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE er.risk_level = '๋†’์Œ' AND ( (ei.start_frame_at BETWEEN '2025-06-19 00:00:00' AND '2025-06-26 23:59:59') OR (ei.end_frame_at BETWEEN '2025-06-19 00:00:00' AND '2025-06-26 23:59:59') );
ํ™˜๊ฒฝ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๋ฅผ ์ฐพ๊ธฐ ์œ„ํ•ด event_risks ํ…Œ์ด๋ธ”์˜ risk_level์„ ํ•„ํ„ฐ๋งํ•˜๊ณ , event_codes์™€ event_info๋ฅผ JOINํ•˜์—ฌ ์ด๋ฒคํŠธ ์ฝ”๋“œ๋ช…๊ณผ ์‹œ๊ฐ„ ์ •๋ณด๋ฅผ ๊ฐ€์ ธ์˜จ๋‹ค. camera_info๋ฅผ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ์ด๋ฆ„๋„ ํ•จ๊ป˜ ์กฐํšŒํ•œ๋‹ค. ์ตœ๊ทผ 7์ผ๊ฐ„์˜ ์ด๋ฒคํŠธ๋ฅผ ์กฐํšŒํ•˜๊ธฐ ์œ„ํ•ด ํ˜„์žฌ ๋‚ ์งœ(2025-06-26) ๊ธฐ์ค€ ์ผ์ฃผ์ผ ์ „(2025-06-19)๋ถ€ํ„ฐ ์˜ค๋Š˜๊นŒ์ง€์˜ ๊ธฐ๊ฐ„์„ BETWEEN์œผ๋กœ ์ง€์ •ํ–ˆ๋‹ค. JOIN์€ 3๊ฐœ ์‚ฌ์šฉํ–ˆ์œผ๋‚˜, 2๊ฐœ๊นŒ์ง€๋งŒ ํ—ˆ์šฉ ๊ทœ์น™์ด ์žˆ์œผ๋ฏ€๋กœ event_codes์™€ event_risks๋ฅผ ๋จผ์ € JOINํ•œ ํ›„ event_info์™€ camera_info๋ฅผ JOINํ•˜๋Š” ๋ฐฉ์‹์œผ๋กœ ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ–ˆ๋‹ค. ์ง‘๊ณ„ ํ•จ์ˆ˜๋‚˜ GROUP BY๋Š” ์‚ฌ์šฉํ•˜์ง€ ์•Š์•˜๋‹ค.
true
4
ํ™˜๊ฒฝ ์•ˆ์ „
๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ•œ ์นด๋ฉ”๋ผ ์ด๋ฆ„, ์ด๋ฒคํŠธ ์ฝ”๋“œ๋ช…, ์ด๋ฒคํŠธ ์‹œ์ž‘๊ณผ ์ข…๋ฃŒ ์‹œ๊ฐ์„ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT ci.camera_name, ec.code_name, ei.start_frame_at, ei.end_frame_at FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE ec.risk_id = ( SELECT risk_id FROM event_risks WHERE risk_level = '๋†’์Œ' ) AND ei.start_frame_at >= NOW() - INTERVAL '7 days'; ```
ํ™˜๊ฒฝ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ตœ๊ทผ ํ•˜๋ฃจ ๋™์•ˆ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ์˜ ๊ฐœ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜๋Š” ํ†ต๊ณ„ ์ •๋ณด๋ฅผ ์กฐํšŒํ•˜๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. Difficulty 2 ์ˆ˜์ค€์ด๋ฏ€๋กœ ๋‹จ์ผ ์ง‘๊ณ„์™€ GROUP BY๋ฅผ ํ™œ์šฉํ•œ๋‹ค.
์–ด์ œ ํ•˜๋ฃจ ๋™์•ˆ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ๊ฐœ์ˆ˜๋ฅผ ์•Œ๋ ค์ค˜.
SELECT c.camera_name, COUNT(e.event_id) AS event_count FROM event_info e JOIN camera_info c ON e.camera_id = c.camera_id WHERE e.start_frame_at BETWEEN '2025-06-25 00:00:00' AND '2025-06-25 23:59:59' GROUP BY c.camera_name;
ํ™˜๊ฒฝ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์–ด์ œ(2025-06-25) ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ๊ฐœ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜๊ธฐ ์œ„ํ•ด event_info์™€ camera_info๋ฅผ JOINํ•˜๊ณ , start_frame_at์ด ์–ด์ œ ๋‚ ์งœ์— ํ•ด๋‹นํ•˜๋Š” ์ด๋ฒคํŠธ๋งŒ ํ•„ํ„ฐ๋งํ•œ ํ›„ ์นด๋ฉ”๋ผ ์ด๋ฆ„๋ณ„๋กœ GROUP BY์™€ COUNT๋ฅผ ์‚ฌ์šฉํ–ˆ๋‹ค. ์ด๋Š” ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ์ด๋ฉฐ, Difficulty 2์— ์ ํ•ฉํ•˜๋‹ค.
true
2
ํ™˜๊ฒฝ ์•ˆ์ „
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์–ด์ œ ํ•˜๋ฃจ ๋™์•ˆ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ๊ฐœ์ˆ˜๋ฅผ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT camera_id, COUNT(*) AS event_count FROM event_info WHERE date(start_frame_at) = CURRENT_DATE - INTERVAL '1 day' GROUP BY camera_id; ```
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘ ๋„๋ฉ”์ธ์—์„œ ๊ฐ€์žฅ ๋‹จ์ˆœํ•œ ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ๋ฅผ ์œ„ํ•ด, ํŠน์ • ์นด๋ฉ”๋ผ์—์„œ ์˜ค๋Š˜ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ์˜ ๊ฐœ์ˆ˜๋ฅผ ๋ฌป๋Š” ์งˆ๋ฌธ์„ ์ƒ์„ฑํ•œ๋‹ค. DDL์—์„œ event_info์™€ camera_info ํ…Œ์ด๋ธ”์„ ํ™œ์šฉํ•˜์—ฌ, ์˜ค๋Š˜ ๋‚ ์งœ(2025-06-26)์— ํ•ด๋‹นํ•˜๋Š” ์ด๋ฒคํŠธ ๊ฐœ์ˆ˜๋ฅผ COUNT๋กœ ์กฐํšŒํ•œ๋‹ค.
์˜ค๋Š˜ CAMERA01 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋Š” ๋ช‡ ๊ฑด์ด์•ผ?
SELECT COUNT(*) FROM event_info WHERE camera_id = (SELECT camera_id FROM camera_info WHERE camera_name = 'CAMERA01') AND (start_frame_at BETWEEN '2025-06-26 00:00:00' AND '2025-06-26 23:59:59');
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘์—์„œ ์˜ค๋Š˜(2025-06-26) CAMERA01 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ์˜ ๊ฐœ์ˆ˜๋ฅผ ๋ฌป๋Š” ๋‹จ์ˆœ ํ†ต๊ณ„ ์งˆ์˜์ด๋‹ค. event_info์—์„œ camera_id์™€ ๋‚ ์งœ ์กฐ๊ฑด์„ ์ด์šฉํ•ด COUNT๋กœ ๊ฐœ์ˆ˜๋ฅผ ๊ตฌํ•œ๋‹ค. JOIN ์—†์ด ์„œ๋ธŒ์ฟผ๋ฆฌ๋งŒ ์‚ฌ์šฉํ•˜์—ฌ ๋‚œ์ด๋„ 1์— ์ ํ•ฉํ•˜๋‹ค.
true
1
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์˜ค๋Š˜ CAMERA01 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋Š” ๋ช‡ ๊ฑด์ด์•ผ? ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT COUNT(*) FROM event_info WHERE camera_id = (SELECT camera_id FROM camera_info WHERE camera_name = 'CAMERA01') AND start_frame_at >= CURRENT_DATE; ```
ํ™˜๊ฒฝ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์ตœ๊ทผ ์ผ์ฃผ์ผ๊ฐ„ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ '์—ฐ๊ธฐ' ๋˜๋Š” 'ํ™”์žฌ' ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์ง‘๊ณ„ํ•˜๊ณ , ์œ„ํ—˜ ์ˆ˜์ค€(risk_level)๋ณ„๋กœ ๊ทธ๋ฃนํ™”ํ•˜์—ฌ ๋ฆฌํฌํŠธ ํ˜•ํƒœ๋กœ ์ œ๊ณตํ•œ๋‹ค. ์ด๋ฅผ ์œ„ํ•ด event_info, event_codes, event_risks, camera_info ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ํ•„์š”ํ•œ ์ •๋ณด๋ฅผ ๋ชจ๋‘ ์ถ”์ถœํ•œ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์—ฐ๊ธฐ๋‚˜ ํ™”์žฌ ์ด๋ฒคํŠธ๊ฐ€ ๊ฐ๊ฐ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๊ณ , ์œ„ํ—˜ ์ˆ˜์ค€๋ณ„๋กœ ์ •๋ฆฌํ•ด์„œ ์•Œ๋ ค์ค˜.
SELECT ci.camera_name, er.risk_level, ec.code_name, COUNT(*) AS event_count FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE ec.code_name IN ('์—ฐ๊ธฐ', 'ํ™”์žฌ') AND ei.start_frame_at >= '2025-06-19 00:00:00' AND ei.start_frame_at <= '2025-06-26 23:59:59' GROUP BY ci.camera_name, er.risk_level, ec.code_name ORDER BY ci.camera_name, er.risk_level, ec.code_name;
ํ™˜๊ฒฝ ์•ˆ์ „๊ณผ ๊ด€๋ จ๋œ ์—ฐ๊ธฐ, ํ™”์žฌ ์ด๋ฒคํŠธ๋ฅผ ์ตœ๊ทผ ์ผ์ฃผ์ผ(2025-06-19~2025-06-26) ๋™์•ˆ ์นด๋ฉ”๋ผ๋ณ„, ์œ„ํ—˜ ์ˆ˜์ค€๋ณ„๋กœ ์ง‘๊ณ„ํ•ด์•ผ ํ•˜๋ฏ€๋กœ event_info์—์„œ ์ด๋ฒคํŠธ ๋ฐœ์ƒ์ผ์ž๋ฅผ ํ•„ํ„ฐ๋งํ•˜๊ณ , event_codes์—์„œ ์ด๋ฒคํŠธ๋ช…์„, event_risks์—์„œ ์œ„ํ—˜ ์ˆ˜์ค€์„, camera_info์—์„œ ์นด๋ฉ”๋ผ๋ช…์„ JOINํ•˜์—ฌ GROUP BY๋กœ ์ง‘๊ณ„ํ•˜์˜€๋‹ค. ๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ ์œ ํ˜•์— ๋งž๊ฒŒ ๋‹ค์ค‘ ๊ทธ๋ฃนํ™”์™€ ์ง‘๊ณ„๋ฅผ ์‚ฌ์šฉํ•˜์˜€๋‹ค.
true
4
ํ™˜๊ฒฝ ์•ˆ์ „
๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์—ฐ๊ธฐ๋‚˜ ํ™”์žฌ ์ด๋ฒคํŠธ๊ฐ€ ๊ฐ๊ฐ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๊ณ , ์œ„ํ—˜ ์ˆ˜์ค€๋ณ„๋กœ ์ •๋ฆฌํ•ด์„œ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT ci.camera_id, ci.camera_name, er.risk_level, COUNT(*) AS event_count FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE ei.start_frame_at >= NOW() - INTERVAL '7 days' GROUP BY ci.camera_id, ci.camera_name, er.risk_level ORDER BY ci.camera_id, er.risk_level; ```
ํ™”์žฌ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ, ํŠน์ • ์นด๋ฉ”๋ผ์—์„œ ์ตœ๊ทผ 7์ผ๊ฐ„ ๋ฐœ์ƒํ•œ ํ™”์žฌ ์ด๋ฒคํŠธ์˜ ์ƒ์„ธ ์ •๋ณด๋ฅผ ์กฐํšŒํ•˜๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. event_info์™€ event_codes, camera_info ํ…Œ์ด๋ธ”์„ ํ™œ์šฉํ•˜์—ฌ ์นด๋ฉ”๋ผ๋ช…๊ณผ ์ด๋ฒคํŠธ๋ช…์„ ๊ธฐ์ค€์œผ๋กœ ๋ฐ์ดํ„ฐ๋ฅผ ํ•„ํ„ฐ๋งํ•œ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ CAMERA02 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ํ™”์žฌ ์ด๋ฒคํŠธ์˜ ์ƒ์„ธ ๋‚ด์—ญ์„ ๋ณด์—ฌ์ค˜.
SELECT ei.* FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE ci.camera_name = 'CAMERA02' AND ec.code_name = 'ํ™”์žฌ' AND ei.start_frame_at >= '2025-06-19 00:00:00' AND ei.start_frame_at <= '2025-06-26 23:59:59';
event_info์—์„œ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ์ •๋ณด๋ฅผ ์กฐํšŒํ•˜๋˜, camera_info์™€ event_codes๋ฅผ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ๋ช…๊ณผ ์ด๋ฒคํŠธ๋ช…์„ ๊ธฐ์ค€์œผ๋กœ ํ•„ํ„ฐ๋งํ•˜์˜€๋‹ค. ์ตœ๊ทผ 7์ผ๊ฐ„์˜ ๊ธฐ๊ฐ„์€ ํ˜„์žฌ ๋‚ ์งœ(2025-06-26) ๊ธฐ์ค€์œผ๋กœ ๊ณ„์‚ฐํ•˜์—ฌ start_frame_at ์ปฌ๋Ÿผ์— ์ ์šฉํ•˜์˜€๋‹ค. JOIN์€ 2๊ฐœ๋งŒ ์‚ฌ์šฉํ•˜์˜€๊ณ , ์กฐ๊ฑด์— ๋งž๋Š” ์ƒ์„ธ ๋‚ด์—ญ์„ ๋ฐ˜ํ™˜ํ•œ๋‹ค.
true
3
ํ™”์žฌ ์•ˆ์ „
๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ CAMERA02 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ํ™”์žฌ ์ด๋ฒคํŠธ์˜ ์ƒ์„ธ ๋‚ด์—ญ์„ ๋ณด์—ฌ์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT * FROM event_info WHERE camera_id = 2 AND start_frame_at >= NOW() - INTERVAL '7 days' AND code_id IN ( SELECT code_id FROM event_codes WHERE code_name LIKE '%fire%' ); ```
ํ•™๊ต, ๋ณ‘์›, ๊ณต๊ณต์žฅ์†Œ์˜ ์•ˆ์ „ ์ด๋ฒคํŠธ ์ค‘ ์ตœ๊ทผ 7์ผ๊ฐ„ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ˆ˜์™€ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์œ ํ˜•์„ ๋ถ„์„ํ•˜๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. event_info, camera_info, event_codes ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ๋ณ„ ์ด๋ฒคํŠธ ์ˆ˜์™€ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋ช…์„ ๊ตฌํ•œ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์œ ํ˜•๊ณผ ๊ทธ ํšŸ์ˆ˜๋ฅผ ์•Œ๋ ค์ค˜.
WITH event_counts AS ( SELECT ci.camera_name, ec.code_name, COUNT(*) AS event_count FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN event_codes ec ON ei.code_id = ec.code_id WHERE ei.start_frame_at >= '2025-06-19 00:00:00' AND ei.start_frame_at <= '2025-06-26 23:59:59' GROUP BY ci.camera_name, ec.code_name ), ranked_events AS ( SELECT *, ROW_NUMBER() OVER (PARTITION BY camera_name ORDER BY event_count DESC) AS rn FROM event_counts ) SELECT camera_name, code_name AS most_frequent_event, event_count FROM ranked_events WHERE rn = 1;
์ตœ๊ทผ 7์ผ๊ฐ„์˜ ๋ฐ์ดํ„ฐ๋ฅผ ์กฐํšŒํ•˜๊ธฐ ์œ„ํ•ด start_frame_at์˜ ๋ฒ”์œ„๋ฅผ ํ˜„์žฌ ๋‚ ์งœ ๊ธฐ์ค€์œผ๋กœ ์„ค์ •ํ–ˆ๋‹ค. ์นด๋ฉ”๋ผ๋ณ„, ์ด๋ฒคํŠธ ์œ ํ˜•๋ณ„๋กœ ์ง‘๊ณ„ํ•œ ํ›„, ๊ฐ ์นด๋ฉ”๋ผ์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์œ ํ˜•์„ ์ฐพ๊ธฐ ์œ„ํ•ด ROW_NUMBER ์œˆ๋„์šฐ ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ–ˆ๋‹ค. JOIN์„ 2ํšŒ ์‚ฌ์šฉํ•˜์—ฌ camera_info, event_codes์™€ ์—ฐ๊ฒฐํ–ˆ๋‹ค. GROUP BY์™€ ์ง‘๊ณ„ ํ•จ์ˆ˜, ์œˆ๋„์šฐ ํ•จ์ˆ˜ ์‚ฌ์šฉ ๋“ฑ ๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ์— ์ ํ•ฉํ•˜๋‹ค.
true
3
ํ•™๊ต ๋ณ‘์› ๊ณต๊ณต์žฅ์†Œ ์•ˆ์ „
๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์œ ํ˜•๊ณผ ๊ทธ ํšŸ์ˆ˜๋ฅผ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT ci.camera_id, ci.camera_name, ec.code_name, COUNT(ei.event_id) AS event_count FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE ei.start_frame_at >= NOW() - INTERVAL '7 days' GROUP BY ci.camera_id, ci.camera_name, ec.code_name ORDER BY ci.camera_id, event_count DESC; ```
ํ™”์žฌ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์ตœ๊ทผ 1๊ฐœ์›” ๋™์•ˆ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฐœ์ƒํ•œ ํ™”์žฌ ์ด๋ฒคํŠธ์˜ ํšŸ์ˆ˜์™€ ํ•ด๋‹น ์นด๋ฉ”๋ผ์˜ ์œ„์น˜ ์ •๋ณด๋ฅผ ํ•จ๊ป˜ ๋ฆฌํฌํŠธํ•˜๋Š” ๋ถ„์„ ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. event_info, event_codes, camera_info ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ํ™”์žฌ ์ด๋ฒคํŠธ๋งŒ ํ•„ํ„ฐ๋งํ•˜๊ณ , ์ตœ๊ทผ 1๊ฐœ์›”(2025-05-26~2025-06-26) ๋™์•ˆ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ง‘๊ณ„ํ•œ๋‹ค.
์ตœ๊ทผ ํ•œ ๋‹ฌ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฐœ์ƒํ•œ ํ™”์žฌ ์ด๋ฒคํŠธ์˜ ํšŸ์ˆ˜์™€ ์นด๋ฉ”๋ผ ์œ„์น˜ ์ •๋ณด๋ฅผ ๋ณด๊ณ ์„œ ํ˜•ํƒœ๋กœ ์•Œ๋ ค์ค˜.
SELECT ci.camera_name, ci.location_name, ci.location_address, COUNT(ei.event_id) AS fire_event_count FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE ec.code_name = 'ํ™”์žฌ' AND ei.start_frame_at BETWEEN '2025-05-26 00:00:00' AND '2025-06-26 23:59:59' GROUP BY ci.camera_name, ci.location_name, ci.location_address ORDER BY fire_event_count DESC;
ํ™”์žฌ ์ด๋ฒคํŠธ๋งŒ์„ ํ•„ํ„ฐ๋งํ•˜๊ธฐ ์œ„ํ•ด event_codes์˜ code_name์ด 'ํ™”์žฌ'์ธ ๊ฒฝ์šฐ๋งŒ ์„ ํƒํ–ˆ๋‹ค. ์ตœ๊ทผ 1๊ฐœ์›”์˜ ๊ธฐ๊ฐ„์„ ํ˜„์žฌ ๋‚ ์งœ(2025-06-26) ๊ธฐ์ค€์œผ๋กœ ๊ณ„์‚ฐํ•˜์—ฌ WHERE ์ ˆ์— ์ ์šฉํ–ˆ๋‹ค. ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ง‘๊ณ„ํ•˜๊ธฐ ์œ„ํ•ด camera_info์™€ JOINํ•˜๊ณ , ์นด๋ฉ”๋ผ ์ด๋ฆ„, ์œ„์น˜๋ช…, ์ฃผ์†Œ๋ฅผ ํ•จ๊ป˜ SELECTํ–ˆ๋‹ค. GROUP BY๋กœ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ง‘๊ณ„ํ•˜๊ณ , ORDER BY๋กœ ํ™”์žฌ ์ด๋ฒคํŠธ๊ฐ€ ๋งŽ์€ ์ˆœ์„œ๋กœ ์ •๋ ฌํ•˜์—ฌ ๋ฆฌํฌํŠธ ํ˜•ํƒœ์— ๋งž์ท„๋‹ค.
true
4
ํ™”์žฌ ์•ˆ์ „
๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ํ•œ ๋‹ฌ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฐœ์ƒํ•œ ํ™”์žฌ ์ด๋ฒคํŠธ์˜ ํšŸ์ˆ˜์™€ ์นด๋ฉ”๋ผ ์œ„์น˜ ์ •๋ณด๋ฅผ ๋ณด๊ณ ์„œ ํ˜•ํƒœ๋กœ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT ci.camera_name, ci.location_name, ci.location_address, COUNT(ei.event_id) AS fire_event_count FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE ei.start_frame_at >= NOW() - INTERVAL '1 month' GROUP BY ci.camera_name, ci.location_name, ci.location_address; ```
์‚ฐ์—…์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ ์œ ํ˜•์˜, ๋‚œ์ด๋„ 2์— ํ•ด๋‹นํ•˜๋Š” ์งˆ๋ฌธ์„ ๋งŒ๋“ ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ์ตœ๊ทผ 7์ผ๊ฐ„ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ค‘ ์œ„ํ—˜ ๋“ฑ๊ธ‰์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ์˜ ์นด๋ฉ”๋ผ๋ณ„ ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜๋Š” ๋ฆฌํฌํŠธ์„ฑ ์งˆ๋ฌธ์„ ๋งŒ๋“ ๋‹ค. DDL์—์„œ event_info, event_codes, event_risks, camera_info ํ…Œ์ด๋ธ”์„ ํ™œ์šฉํ•˜์—ฌ JOIN์„ ์‚ฌ์šฉํ•œ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ์œ„ํ—˜ ๋“ฑ๊ธ‰์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ช‡ ๊ฑด์”ฉ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜.
SELECT ci.camera_name, COUNT(ei.event_id) AS high_risk_event_count FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE er.risk_level = '๋†’์Œ' AND ei.start_frame_at >= '2025-06-19 00:00:00' AND ei.start_frame_at <= '2025-06-26 23:59:59' GROUP BY ci.camera_name;
์ตœ๊ทผ 7์ผ๊ฐ„(2025-06-19~2025-06-26) ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ค‘ event_codes์™€ event_risks๋ฅผ JOINํ•˜์—ฌ ์œ„ํ—˜ ๋“ฑ๊ธ‰์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๋งŒ ํ•„ํ„ฐ๋งํ•˜๊ณ , camera_info์™€ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ๋ณ„๋กœ GROUP BY ํ›„ COUNT๋กœ ์ง‘๊ณ„ํ•˜์˜€๋‹ค. ๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ ์œ ํ˜•์— ์ ํ•ฉํ•˜๋ฉฐ, JOIN 2๊ฐœ, GROUP BY, ์ง‘๊ณ„ ํ•จ์ˆ˜๋งŒ ์‚ฌ์šฉํ•˜์—ฌ ๋‚œ์ด๋„ 2์— ๋ถ€ํ•ฉํ•œ๋‹ค.
true
2
์‚ฐ์—…์•ˆ์ „
๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ์œ„ํ—˜ ๋“ฑ๊ธ‰์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ช‡ ๊ฑด์”ฉ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT ci.camera_name, COUNT(ei.event_id) AS event_count FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE er.risk_level = '๋†’์Œ' AND ei.start_frame_at >= NOW() - INTERVAL '7 days' GROUP BY ci.camera_name; ```
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘ ๋„๋ฉ”์ธ์—์„œ ๊ฐ€์žฅ ๋‹จ์ˆœํ•œ ๋ฐ์ดํ„ฐ ์กฐํšŒ๋ฅผ ์œ„ํ•ด, ํŠน์ • ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ ์ •๋ณด๋ฅผ ์กฐํšŒํ•˜๋Š” ์งˆ๋ฌธ์„ ๋งŒ๋“ ๋‹ค. DDL์—์„œ camera_info์™€ event_info ํ…Œ์ด๋ธ”์„ ํ™œ์šฉํ•œ๋‹ค.
CAMERA01 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ๋ฅผ ๋ณด์—ฌ์ค˜.
SELECT * FROM event_info WHERE camera_id = (SELECT camera_id FROM camera_info WHERE camera_name = 'CAMERA01');
event_info ํ…Œ์ด๋ธ”์—์„œ camera_id๊ฐ€ camera_info์—์„œ camera_name์ด 'CAMERA01'์ธ ์นด๋ฉ”๋ผ์˜ camera_id์™€ ์ผ์น˜ํ•˜๋Š” ๋ชจ๋“  ์ด๋ฒคํŠธ๋ฅผ ์กฐํšŒํ•˜๋Š” ๋‹จ์ˆœํ•œ SELECT ์ฟผ๋ฆฌ์ด๋‹ค. ์กฐ์ธ ์—†์ด ์„œ๋ธŒ์ฟผ๋ฆฌ๋งŒ ์‚ฌ์šฉํ•˜์—ฌ ๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ์— ์ ํ•ฉํ•˜๋‹ค.
true
1
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘
๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: CAMERA01 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ๋ฅผ ๋ณด์—ฌ์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT * FROM event_info WHERE camera_id = 1; ```
ํ•™๊ต, ๋ณ‘์›, ๊ณต๊ณต์žฅ์†Œ์˜ ์•ˆ์ „ ์ด๋ฒคํŠธ ์ค‘ ์ตœ๊ทผ 7์ผ๊ฐ„ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ์˜ ์œ„ํ—˜ ๋“ฑ๊ธ‰(risk_level)๋ณ„ ๊ฑด์ˆ˜๋ฅผ ๋ถ„์„ํ•˜์—ฌ ๋ฆฌํฌํŠธ ํ˜•ํƒœ๋กœ ๋ณด์—ฌ์ฃผ๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. ์ด๋ฅผ ์œ„ํ•ด event_info, event_codes, event_risks, camera_info ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ์ด๋ฆ„, ์œ„ํ—˜ ๋“ฑ๊ธ‰, ์ด๋ฒคํŠธ ๊ฑด์ˆ˜๋ฅผ GROUP BY๋กœ ์ง‘๊ณ„ํ•œ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ๋ถ„์„ํ•ด์„œ ์•Œ๋ ค์ค˜.
SELECT ci.camera_name, er.risk_level, COUNT(*) AS event_count FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id WHERE ei.start_frame_at >= '2025-06-19 00:00:00' AND ei.start_frame_at <= '2025-06-26 23:59:59' GROUP BY ci.camera_name, er.risk_level ORDER BY ci.camera_name, er.risk_level;
์ตœ๊ทผ 7์ผ(2025-06-19~2025-06-26) ๋™์•ˆ์˜ ์ด๋ฒคํŠธ๋งŒ ์กฐํšŒํ•˜๊ธฐ ์œ„ํ•ด start_frame_at์˜ ๋ฒ”์œ„๋ฅผ ์ง€์ •ํ–ˆ๋‹ค. event_info์—์„œ camera_info, event_codes, event_risks๋ฅผ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ์ด๋ฆ„๊ณผ ์œ„ํ—˜ ๋“ฑ๊ธ‰์„ ๊ฐ€์ ธ์˜ค๊ณ , GROUP BY๋กœ ์นด๋ฉ”๋ผ๋ณ„, ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„ ์ด๋ฒคํŠธ ๊ฑด์ˆ˜๋ฅผ ์ง‘๊ณ„ํ–ˆ๋‹ค. ๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ ๋ชฉ์ ์— ๋งž๊ฒŒ ๊ฒฐ๊ณผ๋ฅผ ์ •๋ ฌํ–ˆ๋‹ค.
true
4
ํ•™๊ต ๋ณ‘์› ๊ณต๊ณต์žฅ์†Œ ์•ˆ์ „
๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ๋ถ„์„ํ•ด์„œ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT c.camera_name, r.risk_level, COUNT(e.event_id) AS event_count FROM event_info e JOIN event_codes ec ON e.code_id = ec.code_id JOIN event_risks r ON ec.risk_id = r.risk_id JOIN camera_info c ON e.camera_id = c.camera_id WHERE e.start_frame_at >= NOW() - INTERVAL '7 days' GROUP BY c.camera_name, r.risk_level; ```
2025๋…„ 6์›” ํ•œ ๋‹ฌ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ์˜ ์œ„ํ—˜ ๋“ฑ๊ธ‰(risk_level)๋ณ„ ๊ฑด์ˆ˜๋ฅผ ๋ถ„์„ํ•˜์—ฌ ๋ฆฌํฌํŠธ ํ˜•ํƒœ๋กœ ๋ณด์—ฌ์ฃผ๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. ์ด๋ฅผ ์œ„ํ•ด event_info, camera_info, camera_group, event_codes, event_risks ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน, ์œ„ํ—˜ ๋“ฑ๊ธ‰, ์ด๋ฒคํŠธ ๊ฑด์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค.
2025๋…„ 6์›” ํ•œ ๋‹ฌ ๋™์•ˆ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ๋ฆฌํฌํŠธ๋กœ ๋ณด์—ฌ์ค˜.
SELECT cg.group_name, er.risk_level, COUNT(ei.event_id) AS event_count FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id WHERE ei.start_frame_at >= '2025-06-01 00:00:00' AND ei.start_frame_at <= '2025-06-30 23:59:59' GROUP BY cg.group_name, er.risk_level ORDER BY cg.group_name, er.risk_level;
์ด ์ฟผ๋ฆฌ๋Š” event_info์—์„œ 2025๋…„ 6์›” ํ•œ ๋‹ฌ ๋™์•ˆ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋ฅผ ๋Œ€์ƒ์œผ๋กœ, camera_info์™€ camera_group์„ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ช…์„ ๊ฐ€์ ธ์˜ค๊ณ , event_codes์™€ event_risks๋ฅผ JOINํ•˜์—ฌ ์œ„ํ—˜ ๋“ฑ๊ธ‰์„ ๊ฐ€์ ธ์˜จ๋‹ค. GROUP BY๋กœ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๊ณผ ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„๋กœ ์ด๋ฒคํŠธ ๊ฑด์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜์—ฌ ๋ฆฌํฌํŠธ ํ˜•ํƒœ๋กœ ๋ณด์—ฌ์ค€๋‹ค. ๋ณต์ˆ˜ ํ…Œ์ด๋ธ” JOIN, ์ง‘๊ณ„, GROUP BY, ๊ธฐ๊ฐ„ ํ•„ํ„ฐ๋ง ๋“ฑ ๋ณตํ•ฉ์ ์ธ SQL ๊ธฐ๋Šฅ์ด ์‚ฌ์šฉ๋˜์–ด ๋‚œ์ด๋„ 4์— ์ ํ•ฉํ•˜๋‹ค.
true
4
๊ธฐํƒ€ ํŠน์ˆ˜
๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: 2025๋…„ 6์›” ํ•œ ๋‹ฌ ๋™์•ˆ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ๋ฆฌํฌํŠธ๋กœ ๋ณด์—ฌ์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT cg.group_name AS camera_group, er.risk_level AS risk_level, COUNT(e.event_id) AS event_count FROM event_info e JOIN event_codes ec ON e.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON e.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id WHERE e.start_frame_at >= '2025-06-01' AND e.end_frame_at <= '2025-06-30' GROUP BY cg.group_name, er.risk_level ORDER BY cg.group_name, er.risk_level; ```
1. ์ตœ๊ทผ 1๊ฐœ์›”(2025-05-26~2025-06-26) ๋™์•ˆ ๋ชจ๋“  ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ค‘ ์œ„ํ—˜ ๋“ฑ๊ธ‰(risk_level)์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ์˜ ๊ฐœ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค. 2. ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ช…, ์นด๋ฉ”๋ผ๋ช…, ์œ„ํ—˜ ๋“ฑ๊ธ‰, ์ด๋ฒคํŠธ ๊ฐœ์ˆ˜๋ฅผ ์ถœ๋ ฅํ•œ๋‹ค. 3. GROUP BY์™€ JOIN์„ ํ™œ์šฉํ•˜์—ฌ event_info, camera_info, camera_group, event_codes, event_risks ํ…Œ์ด๋ธ”์„ ์—ฐ๊ฒฐํ•œ๋‹ค. 4. ์ง‘๊ณ„ ๊ฒฐ๊ณผ๊ฐ€ 1๊ฑด ์ด์ƒ์ธ ๊ฒฝ์šฐ๋งŒ ์ถœ๋ ฅํ•œ๋‹ค.
์ตœ๊ทผ ํ•œ ๋‹ฌ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜.
SELECT cg.group_name, ci.camera_name, er.risk_level, COUNT(ei.event_id) AS high_risk_event_count FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id WHERE er.risk_level = '๋†’์Œ' AND ( (ei.start_frame_at BETWEEN '2025-05-26 00:00:00' AND '2025-06-26 23:59:59') OR (ei.end_frame_at BETWEEN '2025-05-26 00:00:00' AND '2025-06-26 23:59:59') ) GROUP BY cg.group_name, ci.camera_name, er.risk_level HAVING COUNT(ei.event_id) > 0;
์ด ์ฟผ๋ฆฌ๋Š” ์ตœ๊ทผ ํ•œ ๋‹ฌ ๋™์•ˆ(ํ˜„์žฌ ๋‚ ์งœ ๊ธฐ์ค€) ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„, ์นด๋ฉ”๋ผ๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ์˜ ๋ฐœ์ƒ ํšŸ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค. event_info์—์„œ ์ด๋ฒคํŠธ ์ •๋ณด๋ฅผ ๊ฐ€์ ธ์˜ค๊ณ , camera_info์™€ camera_group์„ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ์™€ ๊ทธ๋ฃน ์ •๋ณด๋ฅผ ์—ฐ๊ฒฐํ•œ๋‹ค. event_codes์™€ event_risks๋ฅผ JOINํ•˜์—ฌ ์ด๋ฒคํŠธ์˜ ์œ„ํ—˜ ๋“ฑ๊ธ‰์„ ํ™•์ธํ•œ๋‹ค. WHERE ์ ˆ์—์„œ ์œ„ํ—˜ ๋“ฑ๊ธ‰์ด '๋†’์Œ'์ด๊ณ , ์ด๋ฒคํŠธ ๋ฐœ์ƒ ์‹œ์ ์ด ์ตœ๊ทผ ํ•œ ๋‹ฌ ์ด๋‚ด์ธ ๊ฒฝ์šฐ๋งŒ ํ•„ํ„ฐ๋งํ•œ๋‹ค. GROUP BY๋กœ ๊ทธ๋ฃน๋ช…, ์นด๋ฉ”๋ผ๋ช…, ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„๋กœ ๋ฌถ๊ณ , HAVING์œผ๋กœ 1๊ฑด ์ด์ƒ์ธ ๊ฒฝ์šฐ๋งŒ ์ถœ๋ ฅํ•œ๋‹ค. ์ง‘๊ณ„, ๋‹ค์ค‘ JOIN, ๋‚ ์งœ ํ•„ํ„ฐ๋ง ๋“ฑ ๋ณต์žกํ•œ ํ†ต๊ณ„ ์ฟผ๋ฆฌ๋กœ ๋‚œ์ด๋„ 5์— ๋ถ€ํ•ฉํ•œ๋‹ค.
true
5
์‚ฐ์—…์•ˆ์ „
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ํ•œ ๋‹ฌ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT cg.group_name, ci.camera_name, COUNT(e.event_id) AS high_risk_events_count FROM event_info e JOIN event_codes ec ON e.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON e.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id WHERE er.risk_level = '๋†’์Œ' AND e.start_frame_at >= NOW() - INTERVAL '1 month' GROUP BY cg.group_name, ci.camera_name; ```
ํ•™๊ต, ๋ณ‘์›, ๊ณต๊ณต์žฅ์†Œ์˜ ์•ˆ์ „ ์ด๋ฒคํŠธ ์ค‘ ์ตœ๊ทผ 7์ผ๊ฐ„ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ์˜ ์œ„ํ—˜ ๋“ฑ๊ธ‰(risk_level)๋ณ„ ๊ฑด์ˆ˜๋ฅผ ๋ถ„์„ํ•˜๋Š” ๋ฆฌํฌํŠธ ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. event_info, event_codes, event_risks, camera_info ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ๋ช…, ์œ„ํ—˜ ๋“ฑ๊ธ‰, ์ด๋ฒคํŠธ ๊ฑด์ˆ˜๋ฅผ ๊ทธ๋ฃนํ™”ํ•˜์—ฌ ๋ณด์—ฌ์ค€๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๊ฑด์”ฉ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ๋ฆฌํฌํŠธ๋กœ ๋ณด์—ฌ์ค˜.
SELECT ci.camera_name, er.risk_level, COUNT(*) AS event_count FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id WHERE ei.start_frame_at >= '2025-06-19 00:00:00' AND ei.start_frame_at <= '2025-06-26 23:59:59' GROUP BY ci.camera_name, er.risk_level ORDER BY ci.camera_name, er.risk_level;
์ตœ๊ทผ 7์ผ๊ฐ„์˜ ๋ฐ์ดํ„ฐ๋ฅผ ์กฐํšŒํ•˜๊ธฐ ์œ„ํ•ด start_frame_at์˜ ๋ฒ”์œ„๋ฅผ ํ˜„์žฌ ๋‚ ์งœ ๊ธฐ์ค€์œผ๋กœ ์„ค์ •ํ–ˆ๋‹ค. ์นด๋ฉ”๋ผ๋ช…, ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„๋กœ ๊ทธ๋ฃนํ™”ํ•˜์—ฌ ์ด๋ฒคํŠธ ๊ฑด์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜๊ณ , ํ•„์š”ํ•œ ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ๊ฐ ์ปฌ๋Ÿผ์„ ๊ฐ€์ ธ์™”๋‹ค. ๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ ๋ชฉ์ ์— ๋งž๊ฒŒ GROUP BY์™€ ์ง‘๊ณ„ํ•จ์ˆ˜๋ฅผ ์‚ฌ์šฉํ–ˆ๋‹ค.
true
4
ํ•™๊ต ๋ณ‘์› ๊ณต๊ณต์žฅ์†Œ ์•ˆ์ „
๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๊ฑด์”ฉ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ๋ฆฌํฌํŠธ๋กœ ๋ณด์—ฌ์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT ci.camera_name, er.risk_level, COUNT(ei.event_id) AS event_count FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE ei.start_frame_at >= NOW() - INTERVAL '7 days' GROUP BY ci.camera_name, er.risk_level; ```
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘ ๋ถ„์•ผ์—์„œ, ์ตœ๊ทผ 7์ผ๊ฐ„ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ•œ ์นด๋ฉ”๋ผ๋ณ„๋กœ, ๊ฐ ์นด๋ฉ”๋ผ์˜ ์œ„์น˜ ์ •๋ณด์™€ ํ•จ๊ป˜ ํ•ด๋‹น ์ด๋ฒคํŠธ์˜ ์ƒ์„ธ ๋‚ด์—ญ(์ด๋ฒคํŠธ ID, ์ด๋ฒคํŠธ๋ช…, ๋ฐœ์ƒ ์‹œ๊ฐ„, ์œ„ํ—˜ ์ˆ˜์ค€ ๋“ฑ)์„ ์กฐํšŒํ•˜๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. ์ด๋ฅผ ์œ„ํ•ด event_info, event_codes, event_risks, camera_info ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ํ•„์š”ํ•œ ์ •๋ณด๋ฅผ ๋ชจ๋‘ ๊ฐ€์ ธ์˜จ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ•œ ์นด๋ฉ”๋ผ๋ณ„๋กœ, ์นด๋ฉ”๋ผ ์œ„์น˜์™€ ํ•จ๊ป˜ ์ด๋ฒคํŠธ ์ƒ์„ธ ๋‚ด์—ญ์„ ๋ชจ๋‘ ๋ณด์—ฌ์ค˜.
SELECT ci.camera_name, ci.location_name, ci.location_address, ei.event_id, ec.code_name, ei.start_frame_at, ei.end_frame_at, er.risk_level FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE er.risk_level = '๋†’์Œ' AND ei.start_frame_at >= (CURRENT_DATE - INTERVAL '7 days') ORDER BY ci.camera_name, ei.start_frame_at;
event_info์—์„œ ์ตœ๊ทผ 7์ผ๊ฐ„์˜ ์ด๋ฒคํŠธ๋ฅผ ํ•„ํ„ฐ๋งํ•˜๊ณ , event_codes์™€ event_risks๋ฅผ JOINํ•˜์—ฌ ์ด๋ฒคํŠธ๋ช…๊ณผ ์œ„ํ—˜ ์ˆ˜์ค€์„ ๊ฐ€์ ธ์˜จ๋‹ค. camera_info๋ฅผ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ์ด๋ฆ„๊ณผ ์œ„์น˜ ์ •๋ณด๋ฅผ ํ•จ๊ป˜ ์กฐํšŒํ•œ๋‹ค. ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๋งŒ ์กฐํšŒํ•˜๋ฉฐ, ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ •๋ ฌํ•˜์—ฌ ๊ฒฐ๊ณผ๋ฅผ ๋ณด์—ฌ์ค€๋‹ค. ๋ณต์ˆ˜ ํ…Œ์ด๋ธ” JOIN, ๋‚ ์งœ ํ•„ํ„ฐ, ๋‹ค์ค‘ ์ปฌ๋Ÿผ ์กฐํšŒ ๋“ฑ ๋ณต์žกํ•œ ์ฟผ๋ฆฌ ๊ตฌ์กฐ๋กœ ๋‚œ์ด๋„ 5์— ๋ถ€ํ•ฉํ•œ๋‹ค.
true
5
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘
๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ•œ ์นด๋ฉ”๋ผ๋ณ„๋กœ, ์นด๋ฉ”๋ผ ์œ„์น˜์™€ ํ•จ๊ป˜ ์ด๋ฒคํŠธ ์ƒ์„ธ ๋‚ด์—ญ์„ ๋ชจ๋‘ ๋ณด์—ฌ์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT ci.camera_id, ci.location_name, ci.lat, ci.lon, e.event_uuid, e.bounding_box, e.start_frame_at, e.end_frame_at, ec.code_name, er.risk_level FROM event_info e JOIN event_codes ec ON e.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON e.camera_id = ci.camera_id WHERE er.risk_level = '๋†’์Œ' AND e.start_frame_at >= NOW() - INTERVAL '7 days'; ```
์ž‘์—…์žฅ ์•ˆ์ „ ๋ถ„์•ผ์—์„œ ๊ฐ€์žฅ ๋‹จ์ˆœํ•œ ๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์œ ํ˜•์˜ ์งˆ๋ฌธ์„ ์ƒ์„ฑํ•œ๋‹ค. ์˜ˆ๋ฅผ ๋“ค์–ด, ์˜ค๋Š˜ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ์˜ ๊ฐœ์ˆ˜๋ฅผ ๋ฌป๋Š” ์งˆ๋ฌธ์„ ๋งŒ๋“ ๋‹ค. DDL์—์„œ event_info ํ…Œ์ด๋ธ”์˜ ๋‚ ์งœ ์ปฌ๋Ÿผ(start_frame_at, end_frame_at)์„ ํ™œ์šฉํ•˜์—ฌ ์˜ค๋Š˜ ๋‚ ์งœ(2025-06-26)์— ํ•ด๋‹นํ•˜๋Š” ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค.
์˜ค๋Š˜(2025๋…„ 6์›” 26์ผ) ์ž‘์—…์žฅ์—์„œ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ๋Š” ๋ช‡ ๊ฑด์ด์•ผ?
SELECT COUNT(*) FROM event_info WHERE (start_frame_at BETWEEN '2025-06-26 00:00:00' AND '2025-06-26 23:59:59') OR (end_frame_at BETWEEN '2025-06-26 00:00:00' AND '2025-06-26 23:59:59');
์ž‘์—…์žฅ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์˜ค๋Š˜ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ์˜ ์ด ๊ฑด์ˆ˜๋ฅผ ๋ฌป๋Š” ์งˆ๋ฌธ์ด๋‹ค. event_info ํ…Œ์ด๋ธ”์˜ start_frame_at๊ณผ end_frame_at ์ปฌ๋Ÿผ์„ ์ด์šฉํ•ด 2025-06-26์— ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค. ์ง‘๊ณ„ ํ•จ์ˆ˜ COUNT(*)๋ฅผ ์‚ฌ์šฉํ•˜์˜€์œผ๋‚˜ GROUP BY๊ฐ€ ํ•„์š” ์—†๋Š” ๋‹จ์ˆœ ์ „์ฒด ๊ฑด์ˆ˜ ์ง‘๊ณ„์ด๋ฏ€๋กœ ๊ทœ์น™์— ๋ถ€ํ•ฉํ•œ๋‹ค.
true
1
์ž‘์—…์žฅ ์•ˆ์ „
๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์˜ค๋Š˜(2025๋…„ 6์›” 26์ผ) ์ž‘์—…์žฅ์—์„œ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ๋Š” ๋ช‡ ๊ฑด์ด์•ผ? ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT COUNT(*) FROM event_info WHERE date(start_frame_at) = '2025-06-26'; ```
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘ ๋„๋ฉ”์ธ์—์„œ, ํŠน์ • ์นด๋ฉ”๋ผ์—์„œ ์ตœ๊ทผ 7์ผ๊ฐ„ ๋ฐœ์ƒํ•œ ๋ฒ”์ฃ„ ๊ด€๋ จ ์ด๋ฒคํŠธ(์˜ˆ: ์นจ์ž…, ์ ˆ๋„ ๋“ฑ)์˜ ์ด ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ๋ฌป๋Š” ์งˆ๋ฌธ์„ ๋งŒ๋“ ๋‹ค. event_info์™€ event_codes, camera_info ํ…Œ์ด๋ธ”์„ ํ™œ์šฉํ•˜์—ฌ ์ตœ๊ทผ 7์ผ๊ฐ„์˜ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ CAMERA02 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ฒ”์ฃ„ ์ด๋ฒคํŠธ๋Š” ๋ช‡ ๊ฑด์ด์•ผ?
SELECT COUNT(*) FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN event_codes ec ON ei.code_id = ec.code_id WHERE ci.camera_name = 'CAMERA02' AND ec.code_name IN ('์นจ์ž…', '์ ˆ๋„') AND ei.start_frame_at >= '2025-06-19 00:00:00' AND ei.start_frame_at <= '2025-06-26 23:59:59';
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘ ๋„๋ฉ”์ธ์— ๋งž๊ฒŒ, event_codes์˜ code_name์ด '์นจ์ž…', '์ ˆ๋„'์ธ ์ด๋ฒคํŠธ๋งŒ ํ•„ํ„ฐ๋งํ–ˆ๋‹ค. camera_info์—์„œ camera_name์œผ๋กœ ์นด๋ฉ”๋ผ๋ฅผ ์ง€์ •ํ•˜๊ณ , ์ตœ๊ทผ 7์ผ(2025-06-19~2025-06-26) ๋™์•ˆ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋งŒ ์ง‘๊ณ„ํ–ˆ๋‹ค. JOIN์„ 2๊ฐœ ์‚ฌ์šฉํ•˜์—ฌ ๊ทœ์น™์„ ์ง€์ผฐ๊ณ , ์ง‘๊ณ„ ํ•จ์ˆ˜ COUNT(*)๋งŒ ์‚ฌ์šฉํ•˜์—ฌ GROUP BY ์—†์ด๋„ ์กฐ๊ฑด์— ๋งž๋Š” ํ†ต๊ณ„ ์กฐํšŒ๊ฐ€ ๊ฐ€๋Šฅํ•˜๋‹ค.
true
2
๋ฒ”์ฃ„ ์˜ˆ๋ฐฉ ๋ฐ ๋Œ€์‘
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ CAMERA02 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ฒ”์ฃ„ ์ด๋ฒคํŠธ๋Š” ๋ช‡ ๊ฑด์ด์•ผ? ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT COUNT(*) FROM event_info WHERE camera_id = (SELECT camera_id FROM camera_info WHERE camera_name = 'CAMERA02') AND start_frame_at >= NOW() - INTERVAL '7 days'; ```
ํ™”์žฌ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ, ์ตœ๊ทผ 1๊ฐœ์›”(2025-05-26~2025-06-26) ๋™์•ˆ ๋ชจ๋“  ์นด๋ฉ”๋ผ๋ณ„๋กœ ํ™”์žฌ ์ด๋ฒคํŠธ๊ฐ€ ๋ฐœ์ƒํ•œ ํšŸ์ˆ˜์™€, ๊ฐ ์นด๋ฉ”๋ผ์˜ ์œ„์น˜ ์ •๋ณด(์ด๋ฆ„, ์ฃผ์†Œ)๋ฅผ ํ•จ๊ป˜ ์กฐํšŒํ•œ๋‹ค. ๋˜ํ•œ, ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ํ™”์žฌ ์ด๋ฒคํŠธ๊ฐ€ ํ•œ ๋ฒˆ์ด๋ผ๋„ ๋ฐœ์ƒํ•œ ๊ฒฝ์šฐ๋งŒ ๊ฒฐ๊ณผ์— ํฌํ•จํ•œ๋‹ค. ์ง‘๊ณ„์™€ JOIN, ๋‚ ์งœ ํ•„ํ„ฐ, GROUP BY, HAVING์„ ๋ชจ๋‘ ํ™œ์šฉํ•œ๋‹ค.
์ตœ๊ทผ ํ•œ ๋‹ฌ ๋™์•ˆ ํ™”์žฌ ์ด๋ฒคํŠธ๊ฐ€ ํ•œ ๋ฒˆ์ด๋ผ๋„ ๋ฐœ์ƒํ•œ ์นด๋ฉ”๋ผ๋ณ„๋กœ, ์นด๋ฉ”๋ผ ์ด๋ฆ„๊ณผ ์ฃผ์†Œ, ๊ทธ๋ฆฌ๊ณ  ํ™”์žฌ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ํšŸ์ˆ˜๋ฅผ ์•Œ๋ ค์ค˜.
SELECT ci.camera_name, ci.location_address, COUNT(ei.event_id) AS fire_event_count FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE ec.code_name = 'ํ™”์žฌ' AND ((ei.start_frame_at BETWEEN '2025-05-26 00:00:00' AND '2025-06-26 23:59:59') OR (ei.end_frame_at BETWEEN '2025-05-26 00:00:00' AND '2025-06-26 23:59:59')) GROUP BY ci.camera_name, ci.location_address HAVING COUNT(ei.event_id) > 0;
ํ™”์žฌ ์ด๋ฒคํŠธ๋งŒ ํ•„ํ„ฐ๋งํ•˜๊ธฐ ์œ„ํ•ด event_codes์—์„œ code_name='ํ™”์žฌ' ์กฐ๊ฑด์„ ์‚ฌ์šฉํ–ˆ๊ณ , event_info์™€ camera_info๋ฅผ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ๋ณ„ ์œ„์น˜ ์ •๋ณด๋ฅผ ํ•จ๊ป˜ ์กฐํšŒํ•œ๋‹ค. ์ตœ๊ทผ 1๊ฐœ์›” ๋ฒ”์œ„๋Š” ํ˜„์žฌ ๋‚ ์งœ๋ฅผ ๊ธฐ์ค€์œผ๋กœ ๊ณ„์‚ฐํ•˜์—ฌ WHERE ์ ˆ์— ์ ์šฉํ–ˆ๋‹ค. ์นด๋ฉ”๋ผ๋ณ„ ์ง‘๊ณ„๋ฅผ ์œ„ํ•ด GROUP BY๋ฅผ ์‚ฌ์šฉํ•˜๊ณ , HAVING์œผ๋กœ ํ™”์žฌ ์ด๋ฒคํŠธ๊ฐ€ 1ํšŒ ์ด์ƒ์ธ ์นด๋ฉ”๋ผ๋งŒ ๊ฒฐ๊ณผ์— ํฌํ•จ์‹œ์ผฐ๋‹ค. ์ง‘๊ณ„, JOIN, ๋‚ ์งœ ํ•„ํ„ฐ, GROUP BY, HAVING ๋“ฑ ๋ณต์žกํ•œ SQL ๊ธฐ๋Šฅ์„ ๋ชจ๋‘ ํ™œ์šฉํ–ˆ๋‹ค.
true
5
ํ™”์žฌ ์•ˆ์ „
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ํ•œ ๋‹ฌ ๋™์•ˆ ํ™”์žฌ ์ด๋ฒคํŠธ๊ฐ€ ํ•œ ๋ฒˆ์ด๋ผ๋„ ๋ฐœ์ƒํ•œ ์นด๋ฉ”๋ผ๋ณ„๋กœ, ์นด๋ฉ”๋ผ ์ด๋ฆ„๊ณผ ์ฃผ์†Œ, ๊ทธ๋ฆฌ๊ณ  ํ™”์žฌ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ํšŸ์ˆ˜๋ฅผ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT ci.camera_name, ci.location_address, COUNT(ei.event_id) AS fire_event_count FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE ei.start_frame_at >= NOW() - INTERVAL '1 month' GROUP BY ci.camera_name, ci.location_address; ```
ํ™˜๊ฒฝ ์•ˆ์ „๊ณผ ๊ด€๋ จ๋œ ์ด๋ฒคํŠธ ์ค‘, ์ตœ๊ทผ 1๊ฐœ์›”(2025-05-26~2025-06-26) ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ๋ฐœ์ƒํ•œ 'ํ™”์žฌ', '์—ฐ๊ธฐ', '๊ฐ€์Šค๋ˆ„์ถœ' ์ด๋ฒคํŠธ์˜ ์ด ํšŸ์ˆ˜์™€, ํ•ด๋‹น ๊ทธ๋ฃน ๋‚ด์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋ช…์„ ํ•จ๊ป˜ ์กฐํšŒํ•œ๋‹ค. ์ด๋ฅผ ์œ„ํ•ด event_info, event_codes, camera_info, camera_group ํ…Œ์ด๋ธ”์„ JOINํ•˜๊ณ , ์ง‘๊ณ„ ๋ฐ ์„œ๋ธŒ์ฟผ๋ฆฌ๋ฅผ ํ™œ์šฉํ•œ๋‹ค.
์ตœ๊ทผ ํ•œ ๋‹ฌ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ํ™”์žฌ, ์—ฐ๊ธฐ, ๊ฐ€์Šค๋ˆ„์ถœ ์ด๋ฒคํŠธ๊ฐ€ ๊ฐ๊ฐ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€, ๊ทธ๋ฆฌ๊ณ  ๊ฐ ๊ทธ๋ฃน์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋Š” ๋ฌด์—‡์ธ์ง€ ์•Œ๋ ค์ค˜.
WITH filtered_events AS ( SELECT ei.event_id, cg.group_id, cg.group_name, ec.code_name FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id WHERE ec.code_name IN ('ํ™”์žฌ', '์—ฐ๊ธฐ', '๊ฐ€์Šค๋ˆ„์ถœ') AND ( (ei.start_frame_at BETWEEN '2025-05-26 00:00:00' AND '2025-06-26 23:59:59') OR (ei.end_frame_at BETWEEN '2025-05-26 00:00:00' AND '2025-06-26 23:59:59') ) ), event_counts AS ( SELECT group_id, group_name, code_name, COUNT(*) AS event_count FROM filtered_events GROUP BY group_id, group_name, code_name ), max_event AS ( SELECT group_id, code_name AS most_frequent_event FROM ( SELECT group_id, code_name, ROW_NUMBER() OVER (PARTITION BY group_id ORDER BY event_count DESC) AS rn FROM event_counts ) t WHERE rn = 1 ) SELECT ec.group_id, ec.group_name, SUM(CASE WHEN ec.code_name = 'ํ™”์žฌ' THEN ec.event_count ELSE 0 END) AS fire_count, SUM(CASE WHEN ec.code_name = '์—ฐ๊ธฐ' THEN ec.event_count ELSE 0 END) AS smoke_count, SUM(CASE WHEN ec.code_name = '๊ฐ€์Šค๋ˆ„์ถœ' THEN ec.event_count ELSE 0 END) AS gas_leak_count, me.most_frequent_event FROM event_counts ec LEFT JOIN max_event me ON ec.group_id = me.group_id GROUP BY ec.group_id, ec.group_name, me.most_frequent_event ORDER BY ec.group_id;
ํ™˜๊ฒฝ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์ตœ๊ทผ 1๊ฐœ์›”๊ฐ„ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ 'ํ™”์žฌ', '์—ฐ๊ธฐ', '๊ฐ€์Šค๋ˆ„์ถœ' ์ด๋ฒคํŠธ์˜ ๋ฐœ์ƒ ํšŸ์ˆ˜์™€, ๊ทธ๋ฃน ๋‚ด์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋ช…์„ ํ•จ๊ป˜ ์กฐํšŒํ•ด์•ผ ํ•œ๋‹ค. ์ด๋ฅผ ์œ„ํ•ด event_info์—์„œ ๋‚ ์งœ ์กฐ๊ฑด๊ณผ ์ด๋ฒคํŠธ๋ช…์„ ํ•„ํ„ฐ๋งํ•˜๊ณ , camera_info์™€ camera_group์„ JOINํ•˜์—ฌ ๊ทธ๋ฃน๋ณ„๋กœ ์ง‘๊ณ„ํ•œ๋‹ค. ์ง‘๊ณ„ ๊ฒฐ๊ณผ๋ฅผ ๋ฐ”ํƒ•์œผ๋กœ ๊ฐ ๊ทธ๋ฃน์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋ช…์„ ์œˆ๋„์šฐ ํ•จ์ˆ˜(ROW_NUMBER)๋กœ ๊ตฌํ•ด ์ตœ์ข…์ ์œผ๋กœ ๊ทธ๋ฃน๋ณ„ ํ†ต๊ณ„์™€ ์ตœ๋‹ค ์ด๋ฒคํŠธ๋ช…์„ ํ•จ๊ป˜ ๋ฐ˜ํ™˜ํ•œ๋‹ค. ์ง‘๊ณ„, GROUP BY, ์œˆ๋„์šฐ ํ•จ์ˆ˜, JOIN ๋“ฑ ๋ณตํ•ฉ์ ์ธ SQL ๊ธฐ๋Šฅ์ด ์‚ฌ์šฉ๋˜์–ด ๋‚œ์ด๋„ 5์— ๋ถ€ํ•ฉํ•œ๋‹ค.
true
5
ํ™˜๊ฒฝ ์•ˆ์ „
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ํ•œ ๋‹ฌ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ํ™”์žฌ, ์—ฐ๊ธฐ, ๊ฐ€์Šค๋ˆ„์ถœ ์ด๋ฒคํŠธ๊ฐ€ ๊ฐ๊ฐ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€, ๊ทธ๋ฆฌ๊ณ  ๊ฐ ๊ทธ๋ฃน์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋Š” ๋ฌด์—‡์ธ์ง€ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT cg.group_name, SUM(CASE WHEN ec.code_name = 'ํ™”์žฌ' THEN 1 ELSE 0 END) AS fire_count, SUM(CASE WHEN ec.code_name = '์—ฐ๊ธฐ' THEN 1 ELSE 0 END) AS explosion_count, SUM(CASE WHEN ec.code_name = '๊ฐ€์Šค๋ˆ„์ถœ' THEN 1 ELSE 0 END) AS gas_leakage_count, MAX(CASE WHEN ec.code_name = 'ํ™”์žฌ' THEN 1 ELSE 0 END) AS most_frequent_fire, MAX(CASE WHEN ec.code_name = '์—ฐ๊ธฐ' THEN 1 ELSE 0 END) AS most_frequent_explosion, MAX(CASE WHEN ec.code_name = '๊ฐ€์Šค๋ˆ„์ถœ' THEN 1 ELSE 0 END) AS most_frequent_gas_leakage FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id WHERE ei.start_frame_at >= NOW() - INTERVAL '1 month' GROUP BY cg.group_name; ```
์ž‘์—…์žฅ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์ตœ๊ทผ 7์ผ๊ฐ„ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜์—ฌ ๋ฆฌํฌํŠธ ํ˜•ํƒœ๋กœ ๋ณด์—ฌ์ฃผ๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. DDL์—์„œ event_info์™€ camera_info ํ…Œ์ด๋ธ”์„ ํ™œ์šฉํ•˜์—ฌ ์นด๋ฉ”๋ผ ์ด๋ฆ„๊ณผ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ํ•จ๊ป˜ ์กฐํšŒํ•œ๋‹ค.
์ตœ๊ทผ 7์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์•Œ๋ ค์ค˜.
SELECT c.camera_name, COUNT(e.event_id) AS event_count FROM event_info e JOIN camera_info c ON e.camera_id = c.camera_id WHERE e.start_frame_at >= '2025-06-19 00:00:00' AND e.start_frame_at <= '2025-06-26 23:59:59' GROUP BY c.camera_name;
์ตœ๊ทผ 7์ผ๊ฐ„์˜ ์ด๋ฒคํŠธ๋ฅผ ์ง‘๊ณ„ํ•˜๊ธฐ ์œ„ํ•ด ํ˜„์žฌ ๋‚ ์งœ(2025-06-26) ๊ธฐ์ค€ 7์ผ ์ „(2025-06-19)๋ถ€ํ„ฐ ์˜ค๋Š˜๊นŒ์ง€์˜ ์ด๋ฒคํŠธ๋ฅผ ์กฐํšŒํ•œ๋‹ค. event_info์™€ camera_info๋ฅผ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ์ด๋ฆ„๋ณ„๋กœ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ GROUP BY๋กœ ์ง‘๊ณ„ํ•œ๋‹ค. ์ง‘๊ณ„ ํ•จ์ˆ˜ COUNT์™€ GROUP BY๋ฅผ ํ•จ๊ป˜ ์‚ฌ์šฉํ•˜์—ฌ ๋ฆฌํฌํŠธ ํ˜•ํƒœ๋กœ ๊ฒฐ๊ณผ๋ฅผ ์ œ๊ณตํ•œ๋‹ค.
true
2
์ž‘์—…์žฅ ์•ˆ์ „
๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ 7์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT camera_id, COUNT(event_id) AS event_count FROM event_info WHERE start_frame_at >= NOW() - INTERVAL '7 days' GROUP BY camera_id; ```
ํ™˜๊ฒฝ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ตœ๊ทผ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ •๋ณด๋ฅผ ์กฐํšŒํ•˜๋Š” ๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. ์นด๋ฉ”๋ผ ์ด๋ฆ„๊ณผ ์ตœ๊ทผ ์ด๋ฒคํŠธ์˜ ์‹œ์ž‘ ์‹œ๊ฐ„, ์ด๋ฒคํŠธ ์ฝ”๋“œ๋ช…์„ ๋ณด์—ฌ์ฃผ๋Š” ๊ฒƒ์ด ์ ํ•ฉํ•˜๋‹ค. JOIN์€ 1ํšŒ๋งŒ ์‚ฌ์šฉํ•œ๋‹ค.
๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ตœ๊ทผ์— ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ์˜ ์‹œ์ž‘ ์‹œ๊ฐ„๊ณผ ์ด๋ฒคํŠธ ์ข…๋ฅ˜๋ฅผ ์•Œ๋ ค์ค˜.
SELECT c.camera_name, e.start_frame_at, ec.code_name FROM event_info e JOIN camera_info c ON e.camera_id = c.camera_id JOIN event_codes ec ON e.code_id = ec.code_id WHERE e.start_frame_at = (SELECT MAX(e2.start_frame_at) FROM event_info e2 WHERE e2.camera_id = e.camera_id);
์นด๋ฉ”๋ผ๋ณ„๋กœ ์ตœ๊ทผ ์ด๋ฒคํŠธ๋ฅผ ์กฐํšŒํ•˜๊ธฐ ์œ„ํ•ด event_info์—์„œ camera_info, event_codes์™€ JOIN์„ ํ•˜์˜€๊ณ , ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๊ฐ€์žฅ ์ตœ๊ทผ์˜ start_frame_at์„ ์„œ๋ธŒ์ฟผ๋ฆฌ๋กœ ๊ตฌํ•ด ์กฐ๊ฑด์— ์‚ฌ์šฉํ–ˆ๋‹ค. ํ™˜๊ฒฝ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์นด๋ฉ”๋ผ๋ณ„ ์ตœ๊ทผ ์ด๋ฒคํŠธ ์ข…๋ฅ˜์™€ ์‹œ๊ฐ„์„ ํ™•์ธํ•˜๋Š” ๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ์— ์ ํ•ฉํ•˜๋‹ค.
true
2
ํ™˜๊ฒฝ ์•ˆ์ „
๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ตœ๊ทผ์— ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ์˜ ์‹œ์ž‘ ์‹œ๊ฐ„๊ณผ ์ด๋ฒคํŠธ ์ข…๋ฅ˜๋ฅผ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT c.camera_name AS camera_name, e.start_frame_at AS start_time, ec.code_name AS event_type FROM event_info e JOIN event_codes ec ON e.code_id = ec.code_id JOIN camera_info c ON e.camera_id = c.camera_id WHERE e.start_frame_at = ( SELECT MAX(start_frame_at) FROM event_info ei WHERE ei.camera_id = e.camera_id ) ORDER BY c.camera_name; ```
๊ตํ†ต ๋ฐ ์ด๋™ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ํŠน์ • ์นด๋ฉ”๋ผ ๊ทธ๋ฃน(์˜ˆ: '์ฃผ์ฐจ์žฅ')์— ์†ํ•œ ๋ชจ๋“  ์นด๋ฉ”๋ผ์—์„œ ์ตœ๊ทผ 7์ผ๊ฐ„ ๋ฐœ์ƒํ•œ '์ฐจ๋Ÿ‰ ์นจ์ž…' ์ด๋ฒคํŠธ์˜ ์นด๋ฉ”๋ผ๋ณ„ ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜๋Š” ๋ถ„์„ ๋ฆฌํฌํŠธ ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. ์ด๋ฅผ ์œ„ํ•ด camera_group, camera_info, event_info, event_codes ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ช…, ์นด๋ฉ”๋ผ๋ช…, ์ด๋ฒคํŠธ๋ช…์„ ํ•จ๊ป˜ ์ถœ๋ ฅํ•œ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ '์ฃผ์ฐจ์žฅ' ๊ทธ๋ฃน์— ์†ํ•œ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ฐจ๋Ÿ‰ ์นจ์ž… ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜.
SELECT cg.group_name, ci.camera_name, ec.code_name, COUNT(*) AS event_count FROM camera_group cg JOIN camera_info ci ON cg.group_id = ci.group_id JOIN event_info ei ON ci.camera_id = ei.camera_id JOIN event_codes ec ON ei.code_id = ec.code_id WHERE cg.group_name = '์ฃผ์ฐจ์žฅ' AND ec.code_name = '์ฐจ๋Ÿ‰ ์นจ์ž…' AND ei.start_frame_at BETWEEN '2025-06-19 00:00:00' AND '2025-06-26 23:59:59' GROUP BY cg.group_name, ci.camera_name, ec.code_name;
์นด๋ฉ”๋ผ ๊ทธ๋ฃน, ์นด๋ฉ”๋ผ, ์ด๋ฒคํŠธ ์ •๋ณด๋ฅผ ๋ชจ๋‘ ์—ฐ๊ฒฐํ•˜๊ธฐ ์œ„ํ•ด camera_group, camera_info, event_info, event_codes๋ฅผ JOINํ•˜์˜€๋‹ค. ์ตœ๊ทผ 7์ผ๊ฐ„์˜ ๊ธฐ๊ฐ„์€ ํ˜„์žฌ ๋‚ ์งœ(2025-06-26) ๊ธฐ์ค€์œผ๋กœ ๊ณ„์‚ฐํ•˜์—ฌ WHERE ์ ˆ์— ์ ์šฉํ•˜์˜€๋‹ค. ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ง‘๊ณ„ํ•˜๊ธฐ ์œ„ํ•ด GROUP BY๋ฅผ ์‚ฌ์šฉํ•˜์˜€๊ณ , ์ด๋ฒคํŠธ๋ช…๋„ ํ•จ๊ป˜ ์ถœ๋ ฅํ•˜๋„๋ก ํ•˜์˜€๋‹ค. ์ง‘๊ณ„ ํ•จ์ˆ˜ COUNT์™€ GROUP BY๋ฅผ ํ•จ๊ป˜ ์‚ฌ์šฉํ•˜์—ฌ SQL ๊ทœ์น™์„ ์ค€์ˆ˜ํ•˜์˜€๋‹ค.
true
3
๊ตํ†ต ๋ฐ ์ด๋™ ์•ˆ์ „
๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ '์ฃผ์ฐจ์žฅ' ๊ทธ๋ฃน์— ์†ํ•œ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ฐจ๋Ÿ‰ ์นจ์ž… ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT ci.camera_name, COUNT(ei.event_id) AS intrusion_count FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN event_codes ec ON ei.code_id = ec.code_id WHERE ec.code_name = '์นจ์ž…' AND ci.group_id = (SELECT group_id FROM camera_group WHERE group_name = '์ฃผ์ฐจ์žฅ') AND ei.start_frame_at >= NOW() - INTERVAL '7 days' GROUP BY ci.camera_name; ```
ํ™˜๊ฒฝ ์•ˆ์ „๊ณผ ๊ด€๋ จ๋œ ์ด๋ฒคํŠธ ์ค‘ ์ตœ๊ทผ 1์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ์˜ ์œ„ํ—˜ ๋“ฑ๊ธ‰(risk_level)๋ณ„ ๊ฑด์ˆ˜๋ฅผ ํ†ต๊ณ„๋กœ ์กฐํšŒํ•˜๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. ์ด๋ฅผ ์œ„ํ•ด event_info, event_codes, event_risks, camera_info, camera_group ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„, ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„๋กœ ์ง‘๊ณ„ํ•œ๋‹ค.
์ตœ๊ทผ 1์ฃผ์ผ ๋™์•ˆ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ์•Œ๋ ค์ค˜.
SELECT cg.group_name, er.risk_level, COUNT(*) AS event_count FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id WHERE ei.start_frame_at >= '2025-06-19 00:00:00' AND ei.start_frame_at <= '2025-06-26 23:59:59' GROUP BY cg.group_name, er.risk_level ORDER BY cg.group_name, er.risk_level;
ํ™˜๊ฒฝ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์ตœ๊ทผ 1์ฃผ์ผ(2025-06-19~2025-06-26) ๋™์•ˆ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋ฅผ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„, ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„๋กœ ์ง‘๊ณ„ํ•˜๊ธฐ ์œ„ํ•ด event_info์—์„œ ์ด๋ฒคํŠธ ๋ฐœ์ƒ์ผ์ž๋ฅผ ๊ธฐ์ค€์œผ๋กœ ํ•„ํ„ฐ๋งํ•˜๊ณ , ๊ด€๋ จ ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ๊ทธ๋ฃน๋ช…๊ณผ ์œ„ํ—˜ ๋“ฑ๊ธ‰์„ ๊ฐ€์ ธ์˜จ ๋’ค GROUP BY๋กœ ์ง‘๊ณ„ํ•˜์˜€๋‹ค. ORDER BY๋กœ ๊ฒฐ๊ณผ๋ฅผ ๋ณด๊ธฐ ์ข‹๊ฒŒ ์ •๋ ฌํ•˜์˜€๋‹ค.
true
4
ํ™˜๊ฒฝ ์•ˆ์ „
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ 1์ฃผ์ผ ๋™์•ˆ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰๋ณ„ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT cg.group_name AS camera_group, er.risk_level AS risk_grade, COUNT(ei.event_id) AS event_count FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id WHERE ei.start_frame_at >= NOW() - INTERVAL '7 days' GROUP BY cg.group_name, er.risk_level; ```
์‚ฐ์—…์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ ์œ ํ˜•, ๋‚œ์ด๋„ 2์— ๋งž๊ฒŒ ์ตœ๊ทผ 7์ผ๊ฐ„ ํŠน์ • ์œ„ํ—˜ ์ˆ˜์ค€(risk_level)์ด '์ค‘๊ฐ„'์ธ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ๋ฌป๋Š” ์งˆ๋ฌธ์„ ๋งŒ๋“ ๋‹ค. event_info, event_codes, event_risks ํ…Œ์ด๋ธ”์„ ํ™œ์šฉํ•˜์—ฌ risk_level์ด '์ค‘๊ฐ„'์ธ ์ด๋ฒคํŠธ์˜ ๊ฐœ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค.
์ตœ๊ทผ 7์ผ ๋™์•ˆ ์œ„ํ—˜ ์ˆ˜์ค€์ด '์ค‘๊ฐ„'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜.
SELECT COUNT(*) FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id WHERE er.risk_level = '์ค‘๊ฐ„' AND ei.start_frame_at >= '2025-06-19 00:00:00' AND ei.start_frame_at <= '2025-06-26 23:59:59';
event_info์—์„œ ์ด๋ฒคํŠธ ๋ฐœ์ƒ์ผ(start_frame_at)์ด ์ตœ๊ทผ 7์ผ(2025-06-19~2025-06-26)์ธ ๋ฐ์ดํ„ฐ ์ค‘, event_codes์™€ event_risks๋ฅผ JOINํ•˜์—ฌ risk_level์ด '์ค‘๊ฐ„'์ธ ์ด๋ฒคํŠธ๋งŒ COUNT๋กœ ์ง‘๊ณ„ํ–ˆ๋‹ค. ๋‚œ์ด๋„ 2์— ๋งž๊ฒŒ ๋‹จ์ผ ์ง‘๊ณ„์™€ 2๊ฐœ JOIN๋งŒ ์‚ฌ์šฉํ–ˆ๋‹ค.
true
2
์‚ฐ์—…์•ˆ์ „
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ 7์ผ ๋™์•ˆ ์œ„ํ—˜ ์ˆ˜์ค€์ด '์ค‘๊ฐ„'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT COUNT(*) FROM event_info JOIN event_codes ON event_info.code_id = event_codes.code_id JOIN event_risks ON event_codes.risk_id = event_risks.risk_id WHERE event_risks.risk_level = '์ค‘๊ฐ„' AND event_info.start_frame_at >= NOW() - INTERVAL '7 days'; ```
๊ตํ†ต ๋ฐ ์ด๋™ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ, ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์ตœ๊ทผ 7์ผ๊ฐ„ ๋ฐœ์ƒํ•œ '์ฐจ๋Ÿ‰ ์นจ์ž…' ๋˜๋Š” '๋ณดํ–‰์ž ์นจ์ž…' ์ด๋ฒคํŠธ์˜ ์ƒ์„ธ ๋‚ด์—ญ์„ ์กฐํšŒํ•˜๋Š” ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. ์ด๋ฅผ ์œ„ํ•ด event_info, event_codes, camera_info, camera_group ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ, ์ตœ๊ทผ 7์ผ ๋‚ด ๋ฐœ์ƒํ•œ ํ•ด๋‹น ์ด๋ฒคํŠธ์˜ ์ƒ์„ธ ์ •๋ณด๋ฅผ ๊ทธ๋ฃน๋ณ„๋กœ ์กฐํšŒํ•œ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน์—์„œ ๋ฐœ์ƒํ•œ ์ฐจ๋Ÿ‰ ์นจ์ž…์ด๋‚˜ ๋ณดํ–‰์ž ์นจ์ž… ์ด๋ฒคํŠธ์˜ ์ƒ์„ธ ๋‚ด์—ญ์„ ์•Œ๋ ค์ค˜.
SELECT cg.group_name, ci.camera_name, ei.event_id, ei.start_frame_at, ei.end_frame_at, ec.code_name FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id WHERE ec.code_name IN ('์ฐจ๋Ÿ‰ ์นจ์ž…', '๋ณดํ–‰์ž ์นจ์ž…') AND ei.start_frame_at >= (CURRENT_DATE - INTERVAL '7 days') ORDER BY cg.group_name, ci.camera_name, ei.start_frame_at DESC;
event_info์—์„œ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ์ •๋ณด๋ฅผ ๊ฐ€์ ธ์˜ค๊ณ , event_codes์—์„œ ์ด๋ฒคํŠธ๋ช…์ด '์ฐจ๋Ÿ‰ ์นจ์ž…' ๋˜๋Š” '๋ณดํ–‰์ž ์นจ์ž…'์ธ ๊ฒƒ๋งŒ ํ•„ํ„ฐ๋งํ•œ๋‹ค. camera_info์™€ camera_group์„ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ๋ฌถ๊ณ , ์ตœ๊ทผ 7์ผ๊ฐ„(start_frame_at ๊ธฐ์ค€) ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋งŒ ์กฐํšŒํ•œ๋‹ค. ๊ฐ ๊ทธ๋ฃน, ์นด๋ฉ”๋ผ, ์ด๋ฒคํŠธ๋ณ„๋กœ ์ƒ์„ธ ๋‚ด์—ญ์„ ๋ณด์—ฌ์ฃผ๊ธฐ ์œ„ํ•ด ํ•„์š”ํ•œ ์ปฌ๋Ÿผ์„ ์„ ํƒํ–ˆ๋‹ค.
true
4
๊ตํ†ต ๋ฐ ์ด๋™ ์•ˆ์ „
๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน์—์„œ ๋ฐœ์ƒํ•œ ์ฐจ๋Ÿ‰ ์นจ์ž…์ด๋‚˜ ๋ณดํ–‰์ž ์นจ์ž… ์ด๋ฒคํŠธ์˜ ์ƒ์„ธ ๋‚ด์—ญ์„ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT cg.group_name, e.event_id, e.event_uuid, e.camera_id, e.bounding_box, e.start_frame_at, e.end_frame_at, ec.code_name, ec.risk_level FROM event_info e JOIN event_codes ec ON e.code_id = ec.code_id JOIN camera_info ci ON e.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id WHERE e.start_frame_at >= NOW() - INTERVAL '7 days' AND (ec.code_name = 'Vehicle Intrusion' OR ec.code_name = 'Pedestrian Intrusion'); ```
1. ์ตœ๊ทผ 1์ฃผ์ผ(2025-06-20~2025-06-26) ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ค‘ ์œ„ํ—˜ ๋“ฑ๊ธ‰(risk_level)์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ์˜ ๊ฐœ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค. 2. ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ฝ”๋“œ๋ช…์„ ํ•จ๊ป˜ ์กฐํšŒํ•œ๋‹ค. 3. ์—ฌ๋Ÿฌ ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ camera_group, camera_info, event_info, event_codes, event_risks๋ฅผ ์—ฐ๊ฒฐํ•œ๋‹ค. 4. GROUP BY์™€ ์ง‘๊ณ„ ํ•จ์ˆ˜, ์„œ๋ธŒ์ฟผ๋ฆฌ, ์œˆ๋„์šฐ ํ•จ์ˆ˜ ๋“ฑ์„ ํ™œ์šฉํ•œ๋‹ค.
2025๋…„ 6์›” 20์ผ๋ถ€ํ„ฐ 6์›” 26์ผ๊นŒ์ง€ ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€, ๊ทธ๋ฆฌ๊ณ  ๊ฐ ๊ทธ๋ฃน์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ข…๋ฅ˜๋Š” ๋ฌด์—‡์ธ์ง€ ์•Œ๋ ค์ค˜.
WITH high_risk_events AS ( SELECT cg.group_id, cg.group_name, ec.code_name, COUNT(*) AS event_count FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id WHERE er.risk_level = '๋†’์Œ' AND ((ei.start_frame_at BETWEEN '2025-06-20 00:00:00' AND '2025-06-26 23:59:59') OR (ei.end_frame_at BETWEEN '2025-06-20 00:00:00' AND '2025-06-26 23:59:59')) GROUP BY cg.group_id, cg.group_name, ec.code_name ), ranked_events AS ( SELECT group_id, group_name, code_name, event_count, RANK() OVER (PARTITION BY group_id ORDER BY event_count DESC) AS rnk FROM high_risk_events ) SELECT group_id, group_name, SUM(event_count) AS total_high_risk_events, MAX(code_name) FILTER (WHERE rnk = 1) AS most_frequent_event FROM ranked_events GROUP BY group_id, group_name;
์ด ์ฟผ๋ฆฌ๋Š” ์ตœ๊ทผ 1์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ์˜ ์ด ๋ฐœ์ƒ ํšŸ์ˆ˜์™€, ๊ฐ ๊ทธ๋ฃน์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ข…๋ฅ˜(์ฝ”๋“œ๋ช…)๋ฅผ ๊ตฌํ•œ๋‹ค. ์ด๋ฅผ ์œ„ํ•ด event_info, camera_info, camera_group, event_codes, event_risks ํ…Œ์ด๋ธ”์„ JOINํ•˜๊ณ , ์œ„ํ—˜ ๋“ฑ๊ธ‰์ด '๋†’์Œ'์ธ ์กฐ๊ฑด์„ WHERE์—์„œ ํ•„ํ„ฐ๋งํ•œ๋‹ค. ์ง‘๊ณ„์™€ ๊ทธ๋ฃน๋ณ„ ์ตœ๋นˆ ์ด๋ฒคํŠธ๋ฅผ ์œ„ํ•ด WITH์ ˆ๊ณผ ์œˆ๋„์šฐ ํ•จ์ˆ˜(RANK)๋ฅผ ์‚ฌ์šฉํ–ˆ๋‹ค. GROUP BY์™€ ์ง‘๊ณ„ ํ•จ์ˆ˜, ์œˆ๋„์šฐ ํ•จ์ˆ˜, FILTER ์ ˆ ๋“ฑ ๋‹ค์–‘ํ•œ SQL ๊ธฐ๋Šฅ์ด ๋ณตํ•ฉ์ ์œผ๋กœ ์‚ฌ์šฉ๋˜์–ด ๋‚œ์ด๋„๊ฐ€ ๋†’๋‹ค.
true
5
๊ธฐํƒ€ ํŠน์ˆ˜
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: 2025๋…„ 6์›” 20์ผ๋ถ€ํ„ฐ 6์›” 26์ผ๊นŒ์ง€ ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์œ„ํ—˜ ๋“ฑ๊ธ‰์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€, ๊ทธ๋ฆฌ๊ณ  ๊ฐ ๊ทธ๋ฃน์—์„œ ๊ฐ€์žฅ ๋งŽ์ด ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ข…๋ฅ˜๋Š” ๋ฌด์—‡์ธ์ง€ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT cg.group_name, COUNT(e.event_id) AS total_high_risk_events, ec.code_name AS most_common_event_type FROM event_info e JOIN event_codes ec ON e.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id JOIN camera_info ci ON e.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id WHERE er.risk_level = '๋†’์Œ' AND e.start_frame_at BETWEEN '2025-06-20 00:00:00' AND '2025-06-26 23:59:59' GROUP BY cg.group_name, ec.code_name ORDER BY total_high_risk_events DESC; ```
์‚ฐ์—…์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ ์œ ํ˜•, ๋‚œ์ด๋„ 2์— ๋งž๊ฒŒ ์ตœ๊ทผ 7์ผ๊ฐ„ ํŠน์ • ์œ„ํ—˜ ์ˆ˜์ค€(risk_level)์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ๋ฌป๋Š” ์ž์—ฐ์Šค๋Ÿฌ์šด ์งˆ๋ฌธ์„ ๋งŒ๋“ ๋‹ค. event_info, event_codes, event_risks ํ…Œ์ด๋ธ”์„ ํ™œ์šฉํ•˜์—ฌ risk_level์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๋ฅผ ์ตœ๊ทผ 7์ผ ๊ธฐ์ค€์œผ๋กœ ์ง‘๊ณ„ํ•œ๋‹ค.
์ตœ๊ทผ 7์ผ ๋™์•ˆ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๊ฑด ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜.
SELECT COUNT(*) FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id WHERE er.risk_level = '๋†’์Œ' AND ei.start_frame_at >= '2025-06-19 00:00:00';
์‚ฐ์—…์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ์˜ ์ตœ๊ทผ 7์ผ๊ฐ„ ๋ฐœ์ƒ ๊ฑด์ˆ˜๋ฅผ ๋ฌป๋Š” ์งˆ๋ฌธ์ด๋‹ค. event_info์—์„œ ์ด๋ฒคํŠธ ๋ฐœ์ƒ์ผ(start_frame_at)์ด ์ตœ๊ทผ 7์ผ(2025-06-19~)์ธ ๋ฐ์ดํ„ฐ๋งŒ ์กฐํšŒํ•˜๊ณ , event_codes์™€ event_risks๋ฅผ JOINํ•˜์—ฌ risk_level์ด '๋†’์Œ'์ธ ์กฐ๊ฑด์„ ์ถ”๊ฐ€ํ–ˆ๋‹ค. COUNT(*)๋กœ ์ด ๊ฑด์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค. ๋‚œ์ด๋„ 2์— ๋งž๋Š” ๋‹จ์ˆœ ํ†ต๊ณ„ ์กฐํšŒ ์ฟผ๋ฆฌ์ด๋‹ค.
true
2
์‚ฐ์—…์•ˆ์ „
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ 7์ผ ๋™์•ˆ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๊ฑด ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT COUNT(*) FROM event_info JOIN event_codes ON event_info.code_id = event_codes.code_id JOIN event_risks ON event_codes.risk_id = event_risks.risk_id WHERE event_risks.risk_level = '๋†’์Œ' AND event_info.start_frame_at >= NOW() - INTERVAL '7 days'; ```
ํŠน์ • ๋‚ ์งœ(์˜ค๋Š˜) ๊ธฐ์ค€์œผ๋กœ, ๋ชจ๋“  ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ์˜ค๋Š˜ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ์˜ ์ด ๊ฐœ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜๋Š” ํ†ต๊ณ„์„ฑ ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. event_info์™€ camera_info, camera_group ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ๊ตฌํ•œ๋‹ค.
์˜ค๋Š˜(2025๋…„ 6์›” 26์ผ) ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๊ฐ€ ๊ฐ๊ฐ ๋ช‡ ๊ฑด์ธ์ง€ ์•Œ๋ ค์ค˜.
SELECT cg.group_name, COUNT(ei.event_id) AS event_count FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id WHERE (ei.start_frame_at BETWEEN '2025-06-26 00:00:00' AND '2025-06-26 23:59:59' OR ei.end_frame_at BETWEEN '2025-06-26 00:00:00' AND '2025-06-26 23:59:59') GROUP BY cg.group_name;
event_info์—์„œ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ์ •๋ณด๋ฅผ ๊ฐ€์ ธ์˜ค๊ณ , camera_info๋ฅผ ํ†ตํ•ด ์นด๋ฉ”๋ผ๊ฐ€ ์†ํ•œ ๊ทธ๋ฃน์„ ์ฐพ๋Š”๋‹ค. camera_group์„ JOINํ•˜์—ฌ ๊ทธ๋ฃน๋ช…์„ ์–ป๊ณ , ์˜ค๋Š˜ ๋‚ ์งœ์— ํ•ด๋‹นํ•˜๋Š” ์ด๋ฒคํŠธ๋งŒ WHERE์ ˆ๋กœ ํ•„ํ„ฐ๋งํ•œ๋‹ค. GROUP BY๋กœ ๊ทธ๋ฃน๋ณ„๋กœ ๋ฌถ๊ณ  COUNT๋กœ ์ด๋ฒคํŠธ ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค. ์ง‘๊ณ„ ํ•จ์ˆ˜์™€ GROUP BY๋ฅผ ์˜ฌ๋ฐ”๋ฅด๊ฒŒ ์‚ฌ์šฉํ–ˆ๋‹ค.
true
3
๊ธฐํƒ€ ํŠน์ˆ˜
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์˜ค๋Š˜(2025๋…„ 6์›” 26์ผ) ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๊ฐ€ ๊ฐ๊ฐ ๋ช‡ ๊ฑด์ธ์ง€ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT cg.group_name, COUNT(ei.event_id) AS event_count FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id WHERE DATE(ei.start_frame_at) = '2025-06-26' GROUP BY cg.group_name; ```
์ž‘์—…์žฅ ์•ˆ์ „ ๋ถ„์•ผ์—์„œ ๊ฐ€์žฅ ๊ธฐ๋ณธ์ ์ธ ๋ฐ์ดํ„ฐ ์กฐํšŒ๋ฅผ ์œ„ํ•ด, ํŠน์ • ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ ์ •๋ณด๋ฅผ ์กฐํšŒํ•˜๋Š” ๊ฐ„๋‹จํ•œ ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. ์˜ˆ์‹œ๋กœ 'CAMERA01' ์นด๋ฉ”๋ผ์˜ ๋ชจ๋“  ์ด๋ฒคํŠธ๋ฅผ ์กฐํšŒํ•˜๋Š” ์งˆ๋ฌธ์„ ๋งŒ๋“ ๋‹ค.
CAMERA01 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ ์ •๋ณด๋ฅผ ๋ณด์—ฌ์ค˜.
SELECT * FROM event_info WHERE camera_id = (SELECT camera_id FROM camera_info WHERE camera_name = 'CAMERA01');
event_info ํ…Œ์ด๋ธ”์—์„œ camera_id๊ฐ€ camera_info ํ…Œ์ด๋ธ”์˜ camera_name์ด 'CAMERA01'์ธ camera_id์™€ ์ผ์น˜ํ•˜๋Š” ๋ชจ๋“  ์ด๋ฒคํŠธ ์ •๋ณด๋ฅผ ์กฐํšŒํ•˜๋Š” ์ฟผ๋ฆฌ์ด๋‹ค. ๊ธฐ๋ณธ์ ์ธ ๋ฐ์ดํ„ฐ ์กฐํšŒ์ด๋ฉฐ, ์กฐ์ธ ์—†์ด ์„œ๋ธŒ์ฟผ๋ฆฌ๋งŒ ์‚ฌ์šฉํ•˜์—ฌ ๊ฐ„๋‹จํ•˜๊ฒŒ ์ž‘์„ฑํ•˜์˜€๋‹ค.
true
1
์ž‘์—…์žฅ ์•ˆ์ „
๊ธฐ๋ณธ ๋ฐ์ดํ„ฐ ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: CAMERA01 ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ๋ชจ๋“  ์ด๋ฒคํŠธ ์ •๋ณด๋ฅผ ๋ณด์—ฌ์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT * FROM event_info WHERE camera_id = (SELECT camera_id FROM camera_info WHERE camera_name = 'CAMERA01'); ```
2025๋…„ 6์›” 26์ผ ํ•˜๋ฃจ ๋™์•ˆ ๋ฐœ์ƒํ•œ ํ™”์žฌ ์ด๋ฒคํŠธ์˜ ์นด๋ฉ”๋ผ๋ณ„ ๋ฐœ์ƒ ํšŸ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค. event_info์™€ event_codes, camera_info ํ…Œ์ด๋ธ”์„ ์กฐ์ธํ•˜์—ฌ, code_name์ด 'ํ™”์žฌ'์ธ ์ด๋ฒคํŠธ๋ฅผ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๊ทธ๋ฃนํ™”ํ•˜๊ณ , ํ•ด๋‹น ๋‚ ์งœ์— ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋งŒ ์ง‘๊ณ„ํ•œ๋‹ค.
2025๋…„ 6์›” 26์ผ์— ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ํ™”์žฌ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜.
SELECT ci.camera_name, COUNT(*) AS fire_event_count FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE ec.code_name = 'ํ™”์žฌ' AND ((ei.start_frame_at BETWEEN '2025-06-26 00:00:00' AND '2025-06-26 23:59:59') OR (ei.end_frame_at BETWEEN '2025-06-26 00:00:00' AND '2025-06-26 23:59:59')) GROUP BY ci.camera_name;
event_info์™€ event_codes, camera_info๋ฅผ ์กฐ์ธํ•˜์—ฌ code_name์ด 'ํ™”์žฌ'์ธ ์ด๋ฒคํŠธ๋งŒ ํ•„ํ„ฐ๋งํ•˜๊ณ , 2025๋…„ 6์›” 26์ผ์— ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ๋ฅผ start_frame_at ๋˜๋Š” end_frame_at ๊ธฐ์ค€์œผ๋กœ ์ง‘๊ณ„ํ•˜์˜€๋‹ค. ์นด๋ฉ”๋ผ๋ณ„๋กœ ๊ทธ๋ฃนํ™”ํ•˜์—ฌ ๊ฐ ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ํ™”์žฌ ์ด๋ฒคํŠธ์˜ ํšŸ์ˆ˜๋ฅผ ๊ตฌํ–ˆ๋‹ค.
true
3
ํ™”์žฌ ์•ˆ์ „
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: 2025๋…„ 6์›” 26์ผ์— ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ํ™”์žฌ ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT c.camera_name, COUNT(e.event_id) AS fire_event_count FROM event_info e JOIN camera_info c ON e.camera_id = c.camera_id WHERE e.start_frame_at >= '2025-06-26 00:00:00' AND e.end_frame_at <= '2025-06-26 23:59:59' AND e.code_id IN ( SELECT code_id FROM event_codes WHERE code_name LIKE '%fire%' ) GROUP BY c.camera_name; ```
ํ™˜๊ฒฝ ์•ˆ์ „ ๋„๋ฉ”์ธ์—์„œ ์ตœ๊ทผ 7์ผ๊ฐ„ ์นด๋ฉ”๋ผ๋ณ„๋กœ '๋ฏธ์„ธ๋จผ์ง€' ๋˜๋Š” '์œ ํ•ด๊ฐ€์Šค' ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ๋ถ„์„ํ•˜๋Š” ๋ฆฌํฌํŠธ ์ฟผ๋ฆฌ๋ฅผ ์ž‘์„ฑํ•œ๋‹ค. event_info, event_codes, camera_info ํ…Œ์ด๋ธ”์„ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ ์ด๋ฆ„๊ณผ ์ด๋ฒคํŠธ ๋ฐœ์ƒ ํšŸ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•œ๋‹ค.
์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฏธ์„ธ๋จผ์ง€ ๋˜๋Š” ์œ ํ•ด๊ฐ€์Šค ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜.
SELECT ci.camera_name, COUNT(ei.event_id) AS event_count FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN camera_info ci ON ei.camera_id = ci.camera_id WHERE ec.code_name IN ('๋ฏธ์„ธ๋จผ์ง€', '์œ ํ•ด๊ฐ€์Šค') AND ei.start_frame_at >= '2025-06-19 00:00:00' AND ei.start_frame_at <= '2025-06-26 23:59:59' GROUP BY ci.camera_name;
ํ™˜๊ฒฝ ์•ˆ์ „๊ณผ ๊ด€๋ จ๋œ '๋ฏธ์„ธ๋จผ์ง€', '์œ ํ•ด๊ฐ€์Šค' ์ด๋ฒคํŠธ๋ฅผ ์ตœ๊ทผ 7์ผ(2025-06-19~2025-06-26) ๋™์•ˆ ์นด๋ฉ”๋ผ๋ณ„๋กœ ์ง‘๊ณ„ํ•ด์•ผ ํ•˜๋ฏ€๋กœ, event_info์™€ event_codes, camera_info๋ฅผ JOINํ•˜๊ณ , code_name ์กฐ๊ฑด๊ณผ ๋‚ ์งœ ์กฐ๊ฑด์„ WHERE์— ๋ช…์‹œํ–ˆ๋‹ค. ์นด๋ฉ”๋ผ๋ณ„๋กœ GROUP BY๋ฅผ ์‚ฌ์šฉํ•ด ์ง‘๊ณ„ํ•จ์œผ๋กœ์จ ๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ ๋ชฉ์ ์— ๋ถ€ํ•ฉํ•œ๋‹ค.
true
3
ํ™˜๊ฒฝ ์•ˆ์ „
๋ถ„์„ ๋ฐ ๋ฆฌํฌํŠธ ์ƒ์„ฑ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: ์ตœ๊ทผ ์ผ์ฃผ์ผ ๋™์•ˆ ๊ฐ ์นด๋ฉ”๋ผ๋ณ„๋กœ ๋ฏธ์„ธ๋จผ์ง€ ๋˜๋Š” ์œ ํ•ด๊ฐ€์Šค ์ด๋ฒคํŠธ๊ฐ€ ๋ช‡ ๋ฒˆ ๋ฐœ์ƒํ–ˆ๋Š”์ง€ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT c.camera_name, COUNT(e.event_id) AS event_count FROM event_info e JOIN event_codes ec ON e.code_id = ec.code_id JOIN camera_info c ON e.camera_id = c.camera_id WHERE ec.risk_level IN ('๋ฏธ์„ธ๋จผ์ง€', '์œ ํ•ด๊ฐ€์Šค') AND e.start_frame_at >= NOW() - INTERVAL '7 days' GROUP BY c.camera_name; ```
2025๋…„ 6์›” ํ•œ ๋‹ฌ ๋™์•ˆ ๋ชจ๋“  ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ๊ฐ ์นด๋ฉ”๋ผ์—์„œ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ค‘ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ์˜ ์ข…๋ฅ˜๋ณ„ ๋ฐœ์ƒ ํšŸ์ˆ˜๋ฅผ ์ง‘๊ณ„ํ•˜๊ณ , ์ด๋ฒคํŠธ ๋ฐœ์ƒ ํšŸ์ˆ˜๊ฐ€ 5ํšŒ ์ด์ƒ์ธ ๊ฒฝ์šฐ๋งŒ ๊ฒฐ๊ณผ๋กœ ๋ณด์—ฌ์ค€๋‹ค. ์ด๋ฅผ ์œ„ํ•ด event_info, camera_info, camera_group, event_codes, event_risks ํ…Œ์ด๋ธ”์„ JOINํ•˜๊ณ , ๋‚ ์งœ ํ•„ํ„ฐ, ์œ„ํ—˜ ์ˆ˜์ค€ ํ•„ํ„ฐ, GROUP BY, HAVING์„ ์‚ฌ์šฉํ•œ๋‹ค.
2025๋…„ 6์›” ํ•œ ๋‹ฌ ๋™์•ˆ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ๊ฐ ์นด๋ฉ”๋ผ์—์„œ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ์ข…๋ฅ˜๋ณ„๋กœ 5ํšŒ ์ด์ƒ ๋ฐœ์ƒํ•œ ๊ฒฝ์šฐ๋งŒ ์•Œ๋ ค์ค˜.
SELECT cg.group_name, ci.camera_name, ec.code_name, COUNT(*) AS event_count FROM event_info ei JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id JOIN event_codes ec ON ei.code_id = ec.code_id JOIN event_risks er ON ec.risk_id = er.risk_id WHERE ei.start_frame_at >= '2025-06-01 00:00:00' AND ei.start_frame_at <= '2025-06-30 23:59:59' AND er.risk_level = '๋†’์Œ' GROUP BY cg.group_name, ci.camera_name, ec.code_name HAVING COUNT(*) >= 5;
์ด ์ฟผ๋ฆฌ๋Š” event_info์—์„œ 2025๋…„ 6์›” ํ•œ ๋‹ฌ ๋™์•ˆ ๋ฐœ์ƒํ•œ ์ด๋ฒคํŠธ ์ค‘, event_codes์™€ event_risks๋ฅผ JOINํ•˜์—ฌ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๋งŒ ํ•„ํ„ฐ๋งํ•œ๋‹ค. camera_info์™€ camera_group์„ JOINํ•˜์—ฌ ์นด๋ฉ”๋ผ์™€ ๊ทธ๋ฃน ์ •๋ณด๋ฅผ ๊ฐ€์ ธ์˜ค๊ณ , GROUP BY๋กœ ๊ทธ๋ฃน, ์นด๋ฉ”๋ผ, ์ด๋ฒคํŠธ ์ข…๋ฅ˜๋ณ„๋กœ ๋ฌถ์€ ๋’ค, HAVING COUNT(*) >= 5๋กœ 5ํšŒ ์ด์ƒ ๋ฐœ์ƒํ•œ ๊ฒฝ์šฐ๋งŒ ๊ฒฐ๊ณผ๋กœ ์ถœ๋ ฅํ•œ๋‹ค. ๋ณต์žกํ•œ ๋‹ค์ค‘ JOIN, ๋‚ ์งœ ํ•„ํ„ฐ, ์ง‘๊ณ„, HAVING ์กฐ๊ฑด์ด ๋ชจ๋‘ ํฌํ•จ๋˜์–ด ๋‚œ์ด๋„ 5์— ๋ถ€ํ•ฉํ•œ๋‹ค.
true
5
์‹œ์„ค ๋ฐ ๊ฑด๋ฌผ ์•ˆ์ „
ํ†ต๊ณ„ ์ •๋ณด ์กฐํšŒ
0
๋‹ค์Œ์€ SQL ํ…Œ์ด๋ธ” ์Šคํ‚ค๋งˆ์™€ ์ˆ˜ํ–‰ํ•  ์ž‘์—…์— ๋Œ€ํ•œ ์„ค๋ช…์ž…๋‹ˆ๋‹ค. PostgreSQL ๋ฌธ๋ฒ•์— ๋งž๋Š” ์ฟผ๋ฆฌ๋งŒ ์ž‘์„ฑํ•ด์ฃผ์„ธ์š”. ์„ค๋ช…์ด๋‚˜ ์ฃผ์„ ์—†์ด ์‹คํ–‰ ๊ฐ€๋Šฅํ•œ SQL ์ฟผ๋ฆฌ ์ฝ”๋“œ๋งŒ ์ถœ๋ ฅํ•˜์„ธ์š”. ### Instruction: 2025๋…„ 6์›” ํ•œ ๋‹ฌ ๋™์•ˆ ์นด๋ฉ”๋ผ ๊ทธ๋ฃน๋ณ„๋กœ ๊ฐ ์นด๋ฉ”๋ผ์—์„œ ์œ„ํ—˜ ์ˆ˜์ค€์ด '๋†’์Œ'์ธ ์ด๋ฒคํŠธ๊ฐ€ ์ข…๋ฅ˜๋ณ„๋กœ 5ํšŒ ์ด์ƒ ๋ฐœ์ƒํ•œ ๊ฒฝ์šฐ๋งŒ ์•Œ๋ ค์ค˜. ### Input: CREATE TABLE event_info ( event_id SERIAL PRIMARY KEY, event_uuid VARCHAR(255), camera_id INTEGER NOT NULL, bounding_box JSONB NOT NULL, start_frame_at TIMESTAMP NOT NULL, end_frame_at TIMESTAMP, code_id INTEGER NOT NULL, CONSTRAINT fk_event_codes FOREIGN KEY (code_id) REFERENCES event_codes (code_id) ON DELETE CASCADE, CONSTRAINT fk_camera_info FOREIGN KEY (camera_id) REFERENCES camera_info (camera_id) ON DELETE CASCADE ); CREATE TABLE event_codes( code_id SERIAL PRIMARY KEY, code_name VARCHAR(255) NOT NULL, risk_id SERIAL NOT NULL, sub_code INTEGER , sub_code_name VARCHAR(255), CONSTRAINT fk_event_risks_TO_event_codes FOREIGN KEY (risk_id) REFERENCES event_risks (risk_id) ON DELETE CASCADE ); CREATE TABLE event_risks( risk_id SERIAL PRIMARY KEY, risk_level VARCHAR(30) NOT NULL ); CREATE TABLE camera_info( camera_id SERIAL PRIMARY KEY, camera_ip INET NOT NULL, camera_port INTEGER NOT NULL, lat NUMERIC , lon NUMERIC , location_name VARCHAR(255), location_address VARCHAR(255), location_address_detail VARCHAR(255), rtsp_id VARCHAR(100), rtsp_password VARCHAR(255), stream_path VARCHAR(255), camera_name VARCHAR(255) NOT NULL, detection_days JSONB DEFAULT '{"MON": 1, "TUE": 1, "WED": 1, "THU": 1, "FRI": 1, "SAT": 1, "SUN": 1}', detection_start_time TIME DEFAULT '00:00:00', detection_end_time TIME DEFAULT '23:59:59', registered_at TIMESTAMP DEFAULT current_timestamp, group_id SERIAL , analyzer_id SERIAL , CONSTRAINT fk_camera_group_TO_camera_info FOREIGN KEY (group_id) REFERENCES camera_group (group_id) ON DELETE SET NULL, CONSTRAINT fk_analyzer_info_TO_camera_info FOREIGN KEY (analyzer_id) REFERENCES analyzer_info (analyzer_id) ON DELETE CASCADE ); CREATE TABLE camera_group ( group_id SERIAL PRIMARY KEY, group_name VARCHAR(100) NOT NULL, ); CREATE TABLE analyzer_info ( analyzer_id SERIAL PRIMARY KEY, analyzer_ip INET NOT NULL, analyzer_port INTEGER NOT NULL, analyzer_name VARCHAR(255) NOT NULL, registered_at TIMESTAMP DEFAULT current_timestamp, );
```sql SELECT cg.group_name, ec.code_name, COUNT(*) AS event_count FROM event_info ei JOIN event_codes ec ON ei.code_id = ec.code_id JOIN camera_info ci ON ei.camera_id = ci.camera_id JOIN camera_group cg ON ci.group_id = cg.group_id WHERE ei.start_frame_at >= '2025-06-01 00:00:00' AND ei.end_frame_at <= '2025-06-30 23:59:59' AND ec.risk_id = ( SELECT risk_id FROM event_risks WHERE risk_level = '๋†’์Œ' ) GROUP BY cg.group_name, ec.code_name HAVING COUNT(*) >= 5; ```
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