mysql 删除表时提示有外键

mysql> drop tables auth_group;
ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key constraint fails
mysql>
mysql>
mysql>
mysql> SET FOREIGN_KEY_CHECKS = 0;
Query OK, 0 rows affected (0.00 sec)

mysql> drop tables auth_group;
Query OK, 0 rows affected (0.01 sec)

最后要要修改原样
mysql> SET FOREIGN_KEY_CHECKS = 1;
Query OK, 0 rows affected (0.00 sec)

mysql>

ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key constraint fails的更多相关文章

  1. MySQL:ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key constraint fails

    MySQL在删除一张表时出现 ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key constraint fa ...

  2. mysql ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key constrain fails

    ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key constrain fails. 可能是MySQL在In ...

  3. ERROR 1451 (23000): Cannot delete or update a parent row: a foreign key constraint fails ()

    centos7.5 删除表空间文件失败 问题: mysql> alter table country discard tablespace; ERROR 1451 (23000): Cannot ...

  4. Mysql - 删除表时出现: Cannot delete or update a parent row: a foreign key constraint fails

    现象 MySQL在删除一张表时出现 ERROR 1217 (23000): Cannot delete or update a parent row: a foreign key constraint ...

  5. 【转】表删除时 Cannot delete or update a parent row: a foreign key constraint fails 异常处理

    转载地址:http://lijiejava.iteye.com/blog/790478 有两张表,结构如下: t_item:                          t_bid: id    ...

  6. 表删除时 Cannot delete or update a parent row: a foreign key constraint fails 异常处理

    有两张表,结构如下: t_item:                          t_bid: id        int                     id        int n ...

  7. MySQL主从复制中断,报“Error on master: message (format)='Cannot delete or update a parent row: a foreign key constraint fails' error code=1217” 错误

    前几天,发现从库挂了,具体报错信息如下: 分析思路 1. 因为我采用的是选择性复制,只针对以下几个库进行复制: card,upay,deal,monitor,collect.所以,不太可能出现对于sa ...

  8. 【转】 #1451 - Cannot delete or update a parent row: a foreign key constraint fails 问题的解决办法

    转载地址:http://blog.csdn.net/donglynn/article/details/17056099 错误 SQL 查询: DELETE FROM `zmax_lang` WHERE ...

  9. Hibernate级联删除时:Cannot delete or update a parent row: a foreign key constraint fails异常

    在删除主表数据时,报了一个异常 Cannot delete or update a parent row: a foreign key constraint fails 原因是主表中还包含字表的数据, ...

随机推荐

  1. 转:java多线程CountDownLatch及线程池ThreadPoolExecutor/ExecutorService使用示例

    java多线程CountDownLatch及线程池ThreadPoolExecutor/ExecutorService使用示例 1.CountDownLatch:一个同步工具类,它允许一个或多个线程一 ...

  2. 评分条RatingBar Android

    <?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android=&quo ...

  3. hibernate多对一单向配置

    查看:http://blog.csdn.net/u010702229/article/details/13170263

  4. struts2.16中文乱码问题解决

    方法1.在struts.xml文件中添加<constant name="struts.i18n.encoding" value="GBK" /> 方 ...

  5. java基础篇5之泛型

    1 泛型的基本应用 //反射方式 指定类型,就不用强转 Construcctor<String> constructor = String.class.getConstructor(Str ...

  6. [转]MySQL的简单使用和JDBC示例

    MySql简单操作 //启动mysql net start mysql //登陆 mysql -u root -p //创建建数据库 create database mydb; create data ...

  7. SAS学习笔记之函数应用

    今天在做数据需求的时候遇到一些问题,因为不能够在数据库里面做,仅仅好在SAS里面实现.这就遇到了一些麻烦,须要使用一些函数实现部分功能,如查找字段中某个特殊字符出现的次数,查找某个字符的位置等,以下一 ...

  8. zoj3329--One Person Game(概率dp第六弹:形成环的dp,带入系数,高斯消元)

    One Person Game Time Limit: 1 Second      Memory Limit: 32768 KB      Special Judge There is a very ...

  9. node.js介绍及Win7环境安装测试(转)

    官网描述: Node.js is a platform built on Chrome's JavaScript runtime for easily building fast, scalable ...

  10. c语言中结构体指针

    1.指向结构体的指针变量: C 语言中->是一个总体,它是用于指向结构体,如果我们在程序中定义了一个结构体,然后声明一个指针变量指向这个结构体.那么我们要用指针取出结构体中的数据.就要用到指向运 ...