mysql5.5 升级到 5.7 的坑

1.大概思路,docker 新启一个mysql5.7 端口映射到3307

2. 导出5.5 的.sql文件,导入5.7中

3.测试通过后,可将5.5关闭。5.7端口改回3306

坑记录:

1.在[mysqld] 下面加上sql_mode=

2.max_allowed_packet=16M

链接

一个外键的错误,记不清了

https://blog.csdn.net/SmallYard/article/details/73593853

[Err] 2006 - MySQL server has gone away

https://blog.csdn.net/defonds/article/details/45129953

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转载自www.cnblogs.com/gaoyawei/p/9390658.html