invalid use of null value
invalid of value null use
2023-09-27 14:24:39 时间
给mysql的数据表的一个字段插入数据,不成功,
然后在数据表设计中,把不是null勾选上,又提示
invalid use of null value
这种情况比较尴尬
只能删掉这一个字段,然后新建一个同样名字的字段,然后直接勾选不是null然后在保存就行了
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