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navicate for mysql数据传输问题_MySQL

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2016-06-01 13:29:291711browse

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navicate for mysql数据传输问题

 

1. MySQL server has gone away With statement

 

解决办法:

mysql> set global wait_timeout= 2880000 ;mysql> set global interactive_timeout = 2880000  ;mysql> set global max_allowed_packet= 100*1024*1024 ;

 

 

将三个值设置好即可(在mysql命令提示行客户端中设置,以下也是)。

 

2.提示由外键不能传输,或者不能删除等等外键约束问题。

 

解决办法:

 

mysql> set global FOREIGN_KEY_CHECKS = 0;

 

 

将约束取消。

 

传输完成后,可以将0再设置为1(如果需要约束的话)

 

mysql> set global FOREIGN_KEY_CHECKS = 1;

 

 

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