考试
2021-02-25 12:20:15

(多选题)Which two statements are

题目描述

AA WHERE clause can be used to restrict both rows and groups.

BA WHERE clause can be used to restrict rows only.

CA HAVING clause can be used to restrict both rows and groups.

DA HAVING clause can be used to restrict groups only.

EA WHERE clause CANNOT be used in a query of the query uses a HAVING clause.

FA HAVING clause CANNOT be used in subqueries.

答案解析

[db:答案解析]

B,C

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