Workbench : lost connection to mysql during query

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 根据自己测试：240可以承受万条插入。

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