题目

某电影院某日电影入座情况如下表所示。为调整场次,要统计2021年2月21日到场人数总数大于100的电影,可满足要求的SQL语句是( )。

作答
SELECT film,sum(attendance)FROM movie WHERE pdate='20210221'HAVING sumattendance)>100
SELECT film,sum(attendance)FROM movie WHERE pdate=‘20210221’AND attendance >100 GROUP BY film
SELECT film,mum(attendance)FROM movie WHERE pdate=‘20210221’GROUP BY film HAVING sum(attendance)> 100
SELECT film,sum(attendance)FROM movie WHERE pdate=*20210221 AND sum(attendance)>100 GROUP BY film
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