出现这个问题的MYSQL的SQL语句形如: DELETE FROM xxxxa WHERE EXISTS (SELECT * FROM xxxx1 WHERE xxxxa.xxid=123) 解决方法,把结果放在一个临时表里: DELETE FROM xxxxa WHERE xxxxa.id IN (SELECT tmp.id FROM (SELECT * FROM xxxxaWHERE xxxxa.xxid=123)tmp);   但是oracle是可以的,说明mysql有待升级.…

错误代码如下: #(8) 把"邓维杰"同学的成绩全部删除. SELECT * FROM sc WHERE EXISTS(SELECT * FROM student WHERE student.sno=sc.sno AND student.sname='邓维杰'); DELETE FROM sc WHERE degree IN(SELECT degree FROM sc WHERE sno=(SELECT sno FROM student WHERE sname='邓维杰')); 报错:…

sql语句(update/delete都会出现此问题) update x set available_material_id = null where id not in (select id from x where additional_info = 1); mistake 大致意思是,在同一语句中,不能先select出同一表中的某些值,再update这个表. You can't specify target table 'x' for update in FROM clause mysql…

UPDATE bpm_tksign_data WHERE actinstid ' AND nodeid = 'SignTask1' AND batch = ( SELECT max(a.batch) m FROM bpm_tksign_data a WHERE a.actinstid ' AND a.nodeid = 'SignTask1' ); 这种写法,mysql各个版本都不支持. UPDATE bpm_tksign_data WHERE actinstid ' AND nodeid = '…

更新数据时,在where条件子句里面如果想使用子查询按条件更新部分数据,需要将查询的结果设为临时表.可以参考: https://blog.csdn.net/poetssociety/article/details/82391523…

问题 You can't specify target table 'user_cut_record_0413' for update in FROM clause 原因 待更新/删除的数据集与查询的数据集撞车了,可以给后面的数据集加个别名,来解决撞车问题 报错语句 delete from user_cut_record_0413 where record_id IN ( select record_id from user_cut_record_0413 GROUP BY record_id…

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…

Mysql update in报错 解决方案: [Err] 1093 - You can't specify target table 'company_info' for update in FROM clause 意思是不能在同一语句中更新select出的同一张表元组的属性值 解决方法:将select出的结果通过中间表再select一遍即可. 错误sql: update company_info set email = 'ttt@163.com' ) 修改后可执行的sql: update c…

问题: 今天在MySQL数据库删除重复数据的时候遇到了一个问题.如下脚本: DELETE FROM tempA WHERE tid IN ( SELECT MAX(tid) AS tid FROM tempA GROUP BY name,age ) 会出现报错信息: You can't specify target table 'tempA' for update in FROM clause 大致意思是,在同一语句中,不能先select出同一表中的某些值,再update这个表. 解决方法: 需…

MySQL中执行sql语句错误 Error Code: 1093. You can't specify target table 'car' for update in FROM clause 2017年03月21日 11:32:46 回归心灵 阅读数:686   版权声明:本文为博主原创文章,未经博主允许不得转载. https://blog.csdn.net/u010657094/article/details/64439486 当执行以下sql语句时会出现 Error Code:1093 错…