mysql 错误号1553 MySQL Cannot drop index needed in a foreign key constraint,外键也会建立索引
表 被参照表:mysql | teacher | CREATE TABLE `teacher` ( `id` varchar(20) NOT NULL, `name` varchar(255) DEFAULT NULL, `salary` decimal(10,2) DEFAULT NULL, PRIMARY KEY (`id`) ) ENGINE=InnoDB DEFAULT CHARSET=u
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相关文章
- 1. mysql 错误号1553 MySQL Cannot drop index needed in a foreign key constraint,外键也会建立索引
- 2. Flask中外键约束删除 "needed in a foreign key constraint"
- 3. MySQL 不能添加外键：Cannot add foreign key constraint错误
- 4. navicat+MySQL设置外键MySQL “Cannot add or update a child row: a foreign key constraint fails”
- 5. 【mysql】---Navicat --外键创建与cannot add foreign key constraint分析
- 6. MySql导入.sql文件时外键报错，a foreign key constraint fails，Cannot add foreign key constraint
- 7. MySQL错误号1451-Cannot delete or update a parent row: a foreign key constraint fails
- 8. 【Mysql】Error 1826: Duplicate foreign key constraint 错误
- 9. mysql foreign key
- 10. 错误代码： 1215 Cannot add foreign key constraint