当一个select查询中有where、having、order by和group by子句时,应该书写在最后的是( )
A: where子句
B: having子句
C: order by子句
D: group by子句
A: where子句
B: having子句
C: order by子句
D: group by子句
举一反三
- 当一个select查询中有where、having、order by和group by子句时,应该书写在最后的是(
- 当where子句、聚合函数、group by子句和having子句同时出现在一个查询中时,最后执行的是( ) A: 聚合函数 B: where子句 C: group by子句 D: having子句
- SELECT语句中,下列( )子句用于对数据按照某个字段分组 A: HAVING子句 B: GROUP BY 子句 C: ORDER BY 子句 D: WHERE子句
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