粗略看了下[各种查询方法.sql]
其中里面有:
/*三种方法查性别为男的信息.*/
select * from student--1
where stuSex IN ('男')
select * from student--2
where stuSex IN ('男','女')
select * from student--3
where stuSex='男'
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这第二条写错了吧?
应该是??
select * from student --2
where stuSex LIKE '男'