mysql报there can be only one auto column的问题原因
2017-03-08 14:31
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问题的全称是:there can be only one auto column and it must be defined as a key.
翻译过来就是:
1.只能有一个自增列;
2.它必须被定义为键(当然，id一般都是作为主键使用的)
翻译过来就是:
1.只能有一个自增列;
2.它必须被定义为键(当然，id一般都是作为主键使用的)
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