Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column.

问题描述：在mysql workbench中对一张包含主键的表进行删除，但是报错，进行测试在命令行和navicat中执行都没有问题，后来发现是workbench对执行命令进行了限制

1. mysql workbench "Edit"-->"Preferences"

Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column.

2."SQL Editor"-->"Safe Updates"

Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column.

3.取消勾选

Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column.

4.重新删除执行成功，重开窗口

Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column.