Mysql Error Code: 1175. You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column
Mysql update error:
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.
mysql有个叫SQL_SAFE_UPDATES的变量，为了数据库更新操作的安全性，此值默认为1，所以才会出现更新失败的情况;
因此可按照如下执行：
方法一：
set SQL_SAFE_UPDATES = 0;
update xxx set xxid = 2;
方法二：
- Go to Edit --> Preferences
- Click "SQL Queries" tab and uncheck "Safe Updates" check box
- Query --> Reconnect to Server
- Now execute your sql query
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