MySQL Workbench：Error Code: 2013. Lost connection to MySQL server during query解决办法

MySQL Workbench对大表执行复杂操作时报错如下：Error Code: 2013. Lost connection to MySQL server during query

解决办法：

Edit->Preference->SQL Editor

将下图DBMS connection read time out(in seconds)适当调大：

参考资料：

http://bbs.csdn.net/topics/391881939?page=1

https://dev.mysql.com/doc/refman/5.7/en/error-lost-connection.html