相关考题
-
单项选择题
在Hive中,以下哪个关键字用于选择唯一的记录?()
A.UNIQUE
B.DISTINCT
C.ONLY
D.SINGLE -
单项选择题
在Hive中,如何在查询中使用GROUP BY子句进行分组汇总?()
A.SELECT *FROM table GROUP column
B.SELECT *FROM table BY column
C.SELECT *FROM table GROUP BY column
D.SELECT *FROM table BY GROUP column -
单项选择题
在Hive中,如何在查询中使用HAVING子句筛选分组后的结果?()
A.SELECT *FROM table WHERE column =value HAVING condition
B.SELECT *FROM table HAVING column =value GROUP BY condition
C.SELECT *FROM table GROUP BY column HAVING condition
D.SELECT *FROM table GROUP BY column WHERE condition HAVING value
