MySQL JOIN操作报错问题小解

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MySQL JOIN操作报错问题小解

1 问题描述在调用一个MySQL存储过程的时候,有时候会出现下面的错误: Illigal mix of collations(gbk\_chinese\_ci, IMPLICIT) and (latin1\_swedish\_ci, IMPLICIT) for operation '=' 我从去年到现在遇到了很多这个问题,这篇文章做一下解决方法的总结,基本上能覆盖这个问题的所有解法 2 问题根源这个问题的出现是由于JOIN操作时=操作符的左右参数的字符编码不一致导致导致的,解决问题的方法也基…

mysql执行update报错 Err] 1055 - 'information_schema.PROFILING.SEQ' isn't in GROUP BY

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Mysql update in报错 [Err] 1093 - You can't specify target table 'company_info' for update in FROM clause

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