Topic
stringclasses
2 values
Question
stringclasses
6 values
Solution
stringclasses
6 values
datetime
SELECT to_timestamp('2023-12-25 15:30:00', 'yyyy-MM-dd HH:mm:ss')
SELECT to_timestamp('2023-12-25 15:30:00', 'yyyy-MM-dd HH24:mi:ss')
datetime
SELECT date_format(current_timestamp, 'yyyy/MM/dd HH:mm')
SELECT to_char(current_timestamp, 'yyyy/MM/dd HH24:mi')
datetime
SELECT datediff('day', '2023-01-01', current_date)
SELECT date_part('day', current_date - DATE '2023-01-01')
length()
SELECT length(12345)
SELECT length(CAST(12345 AS VARCHAR))
length()
SELECT id FROM users WHERE length(phone_number) = 10
SELECT id FROM users WHERE length(CAST(phone_number AS VARCHAR)) = 10
length()
SELECT length(123) + length('abc')
SELECT length(CAST(123 AS VARCHAR)) + length('abc')