题目内容

实现对查询结果排序的语句是( )。

A. ORDER BY
B. GROUP BY
COMPUTE
D. COMPUTE BY

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实现对查询结果分组的语句是( )。

A. ORDER BY
B. GROUP BY
COMPUTE
D. COMPUTE BY

实现对查询结果分类汇总的语句是( )。

A. ORDER BY
B. GROUP BY
COMPUTE
D. COMPUTE BY

对分组后的结果进行筛选的关键字是( )。

A. WHERE
B. HAVING
C. GROUP BY
D. COMPUTE BY

实现求个数的聚合函数是( )。

A. SUM
B. AVG
COUNT
D. MAX

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