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mysql里面没设置默认值字段也不允许为空，插入语句中也没指定值却能插入成功！是什么情况？？

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Release： 2016-06-06 09:42:23
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mysql

如题，我的表结构是这样的
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SQL语句：INSERT INTO test (name) VALUES ('lsq2')
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求大神帮忙！！

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