mysql 错误解决

1. 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.

　　解决方式：　　

　　　　　　SET SQL_SAFE_UPDATES = 0;  // 重要的是这一句

　　　　　　update T set col = 'xxx' where  condition ……;