数据库中有一张表名称为Student,有列Number,Name,Age,IDCard,Sex。主键为Number。要求查询所有男同学信息,下列哪个SQL语句是正确的?()
- A、Select* From Student Where Sex=’男’
- B、Select* From Student Where Number NotIn(Select Number From Student Where Sex<>=’男’)
- C、Select* From Student Where NumberIn(Select Numbe rFrom Student Where Sex=’男’)
- D、Select* From Student Where Sex<>’男’
正确答案:A,B
答案解析:有
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