SET SQL_SAFE_UPDATES = 0; SQL_SAFE_UPDATES = {0 | 1} 如果设置为0,则MySQL会放弃在WHERE子句或LIMIT子句中不使用关键字的UPDATE或DELETE语句.这样,当关键字使用不正确时,也有可能理解UPDATE或DELETE语句.这样就可以更改或删除大量的行.…

问题描述:有个数据表test,有个字段value,如下 mysql> select * from test;+----+------------------------------------+| id | value |+----+------------------------------------+| 3 | 3aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa || 4 | 4aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa || 5 | 5aaaaaaa…

网络资料收集 当用MySQL Workbench进行数据库的批量更新时,执行一个语句会碰到以下错误提示: Error Code: 1175 You are using safe...without a WHERE that uses a KEY column 因为是MySQL Workbench的默认的安全设置是不能批量更新表的.当要执行的SQL语句是进行批量更新或者删除的时候就会提示这个错误. 解决方法如下: 打开Workbench的菜单[Edit]->[Preferences...] 切换到…

使用workbench,如果你要批量更新或删除数据,一般会报“ Error Code: 1175 You are using safe update mode and you tried to update a table without a WHERE that uses a KEY column”错误,这是Workbench的安全设置导致的,通过设置就可以处理. 快速设置,直接在workbench里面的查询窗口输入“SET SQL_SAFE_UPDATES = 0:”就可以了.如果你想要图形…

Mysql 5.7,默认执行 update 语句时遇到错误提示: 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 Editor and reconnect. 原因: 默认的安全策略,使…

Error Code: 1093. You can't specify target table 'ws_product' for update in FROM clause 这个是我们在使用update或者delete语句时,在where条件里面加入的子查询导致的.例如如下的update语句: update table set type = 'static' where id in ( select id from ws_product where first_name ='superman'…

error code 1175是因为有安全模式限制 执行命令SET SQL_SAFE_UPDATES = 0;之后可以进行操作…

转自:http://www.linuxidc.com/Linux/2012-04/59333.htm 当用MySQL Workbench进行数据库的批量更新时,执行一个语句会碰到以下错误提示: Error Code: 1175 You are using safe...without a WHERE that uses a KEY column 因为是MySQL Workbench的默认的安全设置是不能批量更新表的.当要执行的SQL语句是进行批量更新或者删除的时候就会提示这个错误. 解决方法如下…

我们在学校mysql的时候,在更新或者删除数据的时候,会遇到以下错误: Error Code: . 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 Editor and reconnect. 0.000 sec 第一次遇…

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…