MySQL添加外键失败ERROR 1452的解决 出现: ERROR 1452 : Cannot add or update a child row: a foreign key constraint fails 最后才发现,原来是我的order_items表中已经存在了数据(这才是重点),且orderid这个属性和orders中的不对应,因此如果添加外键,就会导致错误 此时解决的办法不外乎两个: 1.删除数据,再添...
错误:1289 SQLSTATE: HY000 (ER_FEATURE_DISABLED) 消息:’%s’特性已被禁止,要想使其工作,需要用’%s’创建MySQL。 [Page] 错误:1290 SQLSTATE: HY000 (ER_OPTION_PREVENTS_STATEMENT消息:MySQL正使用%s选项运行,因此不能执行该语句。 错误:1291 SQLS...
Re: Error Code: 1452. Cannot add or update a child row Peter Brawley January 01, 2015 05:52PM Re: Error Code: 1452. Cannot add or update a child row K Sqlnicus January 03, 2015 11:54AM Sorry, you can't reply to this topic. It has been closed. ...
这是因为表设置了外键约束,而你试图插入一条外键字段所在表纪录不存在的一个值.就会报1452错.比如a,b两表,a表外键id值来自b表的ID,当你在a表中插入一条纪录时,id字段用了不在b表id值范围内的值,就会报此错.
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在创建t_money加外键staffId,关联t_staff的id时出现:最后才发现,原来是我的t_money和t_staff表中已经存在了数据。删除数据后关联成功。
ERROR 1452 (23000): 问题: mysql> insert into teacher(name,dept_id) values('bb',1); ERROR1452(23000): Cannot add or update a child row: a foreign key constraint fails (`course`.`teacher`, CONSTRAINT `for_teacher_1` FOREIGN KEY (`dept_id`) REFERENCES `dept` (`id`) ON DELETE SET...
mysql> insert into pc values('1'); Query OK,1row affected (0.01sec) mysql> insert into pc values('5'); ERROR1452(23000): Cannot add or update a child row: a foreign key constraint fails (`Orange/pc`, CONSTRAINT `pc_ibfk_1` FOREIGN KEY ...
Error Code: 1452. Cannot add or update a child row: a foreign key constraint fails (`SoLMySqlDB`.`orders`, CONSTRAINT `fk_orders_users1` FOREIGN KEY (`users_user_id`) REFERENCES `users` (`user_id`) ON DELETE CASCADE ON UPDATE CASCADE) ...
This is the insert statement for the users row: #INSERT INTO users(userName, password, salt, name, email, contactPerson, mobile, phoneNumber, isActive, vatNumber, city, street, streetNumber, userType, solRevenue ) #VALUES ("userName", "password", "salt", "name", "email", "contactPerso...