Spaces:
Sleeping
Sleeping
| { | |
| "key_concepts": [ | |
| "CREATE/ALTER/DROP table and schema statements (DDL)", | |
| "INSERT/UPDATE/DELETE data manipulation (DML)", | |
| "SELECT queries with JOINs (INNER, LEFT, RIGHT)", | |
| "Aggregation and GROUP BY with HAVING", | |
| "Subqueries and nested queries (including correlated)", | |
| "GRANT/REVOKE permissions (DCL)", | |
| "Transaction control (COMMIT, ROLLBACK)", | |
| "Schema constraints and keys (PRIMARY KEY, FOREIGN KEY, UNIQUE, NOT NULL)" | |
| ], | |
| "primary_domain": "technical", | |
| "use_cases": [ | |
| "Screen developers for hands-on ability to implement schema changes and write data-modifying SQL in production systems", | |
| "Assess data analysts' competence writing complex SELECTs, joins, aggregations and subqueries for reporting and analysis", | |
| "Validate DBAs' capability to manage user permissions and transaction control in a relational database environment" | |
| ] | |
| } |