问题描述:报错如下:ERROR 1451 (23000): Cannot delete or update a parent row: a foreign key constraint提示有外键约束,不能删除父表记录,然而父表记录对应的子表中并没有相关记录 解决方式:SET FOREIGN_KEY_CHECKS=0;delete from account where id=22687 and name like '%xxxx%';SET FOREIGN_KEY_CHECKS=1;…
use mysql mysql> select host, user from user; 将相应用户数据表中的host字段改成'%': update user set host='%' where user='root'; ERROR 1062 (23000): Duplicate entry '%-root' for key 'PRIMARY' 不予理会 flush privileges; 重新远程连接OK…
Summary: this tutorial shows you how to use MySQL handler to handle exceptions or errors encountered in stored procedures. When an error occurs inside a stored procedure, it is important to handle it appropriately, such as continuing or exiting the c…
This tutorial shows you how to use MySQL handler to handle exceptions or errors encountered in stored procedures. When an error occurs inside a stored procedure, it is important to handle it appropriately, such as continuing or exiting the current co…
RDS上执行报错如下: MySQL [ad_billing]> ALTER TABLE ad_spending ADD COLUMN impr bigint(20) NOT NULL DEFAULT 0 COMMENT '曝光数' after `mall_id`; ERROR 1062 (23000): Duplicate entry '2017-08-04-3-936158' for key 'scene_date_ad' MySQL [ad_billing]> 可以确定不会有重复数据,因为…
彻底解决phpcms v9升级后,文章发布出现: MySQL Query : SELECT * FROM `withli_a`.`v9_keyword` WHERE `keyword` = '吼吼' AND `siteid` = '1' LIMIT 1 MySQL Error : Illegal mix of collations (latin1_swedish_ci,IMPLICIT) and (gbk_chinese_ci,COERCIBLE) for operation '=' MySQL…
[root@host_41 mysql]# mysqlmysql: error while loading shared libraries: libmysqlclient.so.16: cannot open shared object file: No such file or directory 被同事错删除了mysql,搞了一晚上,凡是中文博客的解决方案全部都是shit!!!凡是中文问答网站的解决方案,全部都是装逼. 最后: http://ntcn.net/blog/?p=6575 找到…
转自: http://icesquare.com/wordpress/mysql-starting-mysql-error-the-server-quit-without-updating-pid-file/ 他也是更新系统后出现的这个问题,我是更新之后出现的该问题,所以按照他的思路删掉配置文件就可以启动了,至于为什么会出现这种问题,回头有时间再仔细研究下. This step-by-step guide is mainly for FreeBSD, however the idea is th…
一 这种情况下是 root@% update mysql.user set host='%' where user='root' and host='localhost'; flush privileges; select user,host from mysql.user; 然而当我用 mysql -uroot -p 登陆创建帐号 grant all privileges on sp2p_yxc_xiaolong.* to 'dev'@'%' identified by 'dev';…
MySQL: Starting MySQL….. ERROR! The server quit without updating PID file解决办法 1 问题 [root@localhost mysql]# /etc/rc.d/init.d/mysql statusMySQL is not running, but lock file (/var/lock/subsys/mysql[FAILED][root@localhost mysql]# /etc/rc.d/init.d/mysql…
今天在编译安装mysql5.6时候出现Starting MySQL... ERROR! The server quit without updating PID file (/var/lib/mysql/localhost.localdomain.pid).,当时就心碎了,之前安装时候好好的,在网上搜索帮助方法,可是没有和我一样的,有的说我没有给mysqld赋权限,可是我赋予他权限了,试了一堆方法,最后心灰意冷,准备删除mysql重新安装,就在我执行:yum remove mysql mysql…
新安装的mysql密码是空的. ./mysql -u root -p use mysql SELECT `Host`,`User` FROM user; UPDATE user SET `Host` = '%' WHERE `User` = 'root' LIMIT 1; FLUSH PRIVILEGES; GRANT ALL PRIVILEGES ON *.* TO 'mysql'@'%' IDENTIFIED BY 'test' WITH GRANT OPTION; 方法一:1.关闭mysq…
不小心将服务器OS给重启了,再启动数据库的时候,出现了很奇怪的问题 [root@dev run]# service mysql restart ERROR! MySQL server PID file could not be found! Starting MySQL.. ERROR! The server quit without updating PID file (/var/lib/mysql/run/mysql.pid). 无法启动mysql,后来上网找了一下解决方法,无非就是以下几种…
MySql Error: Can't update table in stored function/trigger because it is already used by statement which invoked this stored function/trigger I am running a MySQL Query. But when a new row is added from form input I get this error: Error:Can't update…
今天安装MYSQL遇到MYSQL ERROR 1130: Host is not allowed to connect to this MySQL server, 试了很多办法都不行 skip-grant-tables 放在my.ini [mysqld] 1.更改任意主机登陆 mysql> use mysql; mysql> update user set host = '%' where user = 'root' and host='localhost'; 2.更新权限 mysql>…
今天Mysql ERROR 1045 (28000): Access denied for user 'root'@'localhost' 肯定是密码不对了.那么重置一下密码吧. 打开 cmd 输入以下四个步骤: 1.mysql -u root mysql (登陆mysql.如果你没有在环境变量path里面加入bin路径,建议你直接去mysql的bin目录下运行此命令) 2. UPDATE user SET Password=PASSWORD('123456') where USER='root…
MySQL安装完server端和客户端后,登录Mysql时报错:[root@rhel204 MySQL 5.6.23-RMP]# mysqlERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)[root@rhel204 MySQL 5.6.23-RMP]# service mysql startStarting MySQL.[ OK ][root…