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'…
今天在source mysqldump 备份文件时,发现导入的过程中报如下的错误: ERROR 1231 (42000): Variable 'time_zone' can't be set to the value of 'NULL' ERROR 1231 (42000): Variable 'sql_mode' can't be set to the value of 'NULL' ERROR 1231 (42000): Variable 'foreign_key_checks' can't…
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…