Where can subqueries be used?()
- A、field names in the SELECT statement
- B、the FROM clause in the SELECT statement
- C、the HAVING clause in the SELECT statement
- D、the GROUP BY clause in the SELECT statement
- E、the WHERE clause in only the SELECT statement
- F、the WHERE clause in SELECT as well as all DML statements
正确答案:B,C,F
答案解析:有
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