发表评论取消回复
相关阅读
相关 报错:Referencing column ‘XXX‘ and referenced column ‘XXX‘ in foreign key constraint
报错:Referencing column ‘XXX‘ and referenced column ‘XXX‘ in foreign key constraint > 报
相关 1452, Cannot add or update a child row: a foreign key constraint fails
今天在回顾django模型,创建一对多对象时,报错: django.db.utils.IntegrityError: (1452, 'Cannot add or update
相关 Mysql 报错:Cannot add or update a child row: a foreign key constraint fails
错误信息: insert into student (id,name,age,tid) VALUES ( 1,'张三',18,1) > 1452 - Cann
相关 SQL异常:Cannot add or update a child row: a foreign key constraint fails
原因:数据库外键约束 解决:把外键删除 ![在这里插入图片描述][watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aH
相关 Flask中外键约束删除 "needed in a foreign key constraint"
定义2个表,如下图: IpFlowDetail的IpHeadId字段是关联了IpFlowHead表的外键,在后期发现不需要这个外键了,在删除这个外键关联字段column时,
相关 Cannot add foreign key constraint
协助开发人员解决了两则无法创建外键约束的case,MySQL客户端报错信息为`ERROR 1215 (HY000): Cannot add foreign key constr
相关 ORA-02449:unique/primary keys in table referenced by foreign keys
Oracle 删除表的时候报错: ORA-02449:unique/primary keys in table referenced by foreign keys 原因是:
相关 1452-Cannot add or update a child row: a foreign key constraint fails
1、错误描述 ![watermark_type_ZmFuZ3poZW5naGVpdGk_shadow_10_text_aHR0cHM6Ly95b3VoYWlkb25nLmJs
相关 Cannot truncate a table referenced in a foreign key constraint
SET foreign_key_checks=0; TRUNCATE TABLE newstitle; SET foreign_key_checks=1
相关 Cannot delete or update a parent row: a foreign key constraint fails
在删除表里面的内容时删除不了(truncate table xxx) 原因:有表相互关联;表关联生成的强制约束问题,在删除的时候回检查表之间的关联关系,从而导致无法删除;
还没有评论,来说两句吧...