workbench中safe update

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1、在workbench中表格显示为readonly ,更新时提示Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column To disable safe mode, toggle the option in Preferences -> SQL Queries and reconnect.

这是由于MySQL Workbench打开了安全更新模式

解决方法： SET SQL_SAFE_UPDATES = 0; 要执行的sql语句 SET SQL_SAFE_UPDATES = 1;