Which two statements are true ab
题目
Which two statements are true about WHERE and HAVING clauses? （）
- A、A WHERE clause can be used to restrict both rows and groups.
- B、A WHERE clause can be used to restrict rows only.
- C、A HAVING clause can be used to restrict both rows and groups.
- D、A HAVING clause can be used to restrict groups only.
- E、A WHERE clause CANNOT be used in a query if the query uses a HAVING clause.
- F、A HAVING clause CANNOT be used in subqueries.
