In which four clauses can a subquery be used? ()
- A、in the INTO clause of an INSERT statement
- B、in the FROM clause of a SELECT statement
- C、in the GROUP BY clause of a SELECT statement
- D、in the WHERE clause of a SELECT statement
- E、in the SET clause of an UPDATE statement
- F、in the VALUES clause of an INSERT statement
正确答案:B,D,E,F
答案解析:有
微信扫一扫手机做题