大家使用过mysql 严格模式没有?帮忙看一下这个简单的SQL语句出了什么问题?
大家使用过mysql 严格模式没有?
另外我发现一个问题:
<code>select * from tb_test where value = '12345 ';</code>
也能正确查询到信息,value的值明明就是12345后面没有那么多空格啊,为什么加很多空格也可以查出来呢,无意中知道了mysql还有个严格模式,不知道是不是非严格搞的鬼?
回复内容:
大家使用过mysql 严格模式没有?
另外我发现一个问题:
<code>select * from tb_test where value = '12345 ';</code>
也能正确查询到信息,value的值明明就是12345后面没有那么多空格啊,为什么加很多空格也可以查出来呢,无意中知道了mysql还有个严格模式,不知道是不是非严格搞的鬼?
你的value字段应该是char类型的 char是定长字符串类型 定长字符串存储时会按固定的长度 你应该是char(9)

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