单选题:用GROUP BY子句对数据分组时,在分组中用来进行条件选择的子句是?
用GROUP BY子句对数据分组时,在分组中用来进行条件选择的子句是? @[C](2)
A. SELECT
B. WHERE
C. HAVING
D. ORDER BY
A.SELECT
B.WHERE
C.HAVING
D.ORDER BY
答案:C
A. SELECT
B. WHERE
C. HAVING
D. ORDER BY
A.SELECT
B.WHERE
C.HAVING
D.ORDER BY
答案:C