mysql> drop function GetEmployeeInformationByID;ERROR 1305 (42000): FUNCTION (UDF) GetEmployeeInformationByID does not existmysql> DELETE FROM mysql.func WHERE name='GetEmployeeInformationByID';Query OK, 0 rows affected (0.00 sec) mysql> DELETE F…

问题描述: 安装好数据库MySQL,进入mysql,设置号密码后,退出的时候,利用密码无法进入,直接回车后可进入,无法看到数据库mysql,use mysql返回错误:ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql' 参考地址: ERROR 1044 (42000): Access denied for user ''@'localhost' to database 'mysql'…

autocommit模式:在开启情况下,对于每条statement来说,都会自动形成一个commit,也就是会即时对开始和结束一个事务.所以,当出现rollback to savepoint出现这个错误时,第一步是检查autocommit模式是否有开启. select @@autocommit; 1则代表开启,0则代表未开启. 如果需要关闭,则输入以下代码 ; 这时候,就是必须对每一个事务都要手动开始或保存.代码为 START TRANSACTION # OR BEGIN 要结束的话,就要com…

错误: 给mysql对应的用户授予权限的时候提示报错: 解决方法: 后面才知道原来是同事这边新增了用户没有flush grant all privileges on *.* to 'user'@'%' with grant option; flush privileges;…

Create/Drop/Alter View Create View Drop View Alter View Properties Alter View As Select Version information Icon View support is only available in Hive 0.6 and later. Create View CREATE VIEW [IF NOT EXISTS] view_name [(column_name [COMMENT column_com…

1  用以往的mysql登陆模式登陆 [mysql@eanintmydbc002db1 mysqllog]$ mysql Enter password:  Welcome to the MySQL monitor.  Commands end with ; or \g. Your MySQL connection id is 3157186 Server version: 5.5.25a-log MySQL EA Release Copyright (c) 2000, 2011, Oracle…

OS:  centos 6.3 DB:5.5.14 mysql> select database();+------------+| database() |+------------+| sakila     |+------------+1 row in set (0.00 sec) mysql> delete from actor;ERROR 1451 (23000): Cannot delete or update a parent row: a foreign key constra…

早上上班后,测试说演示环境挂了,维护上去看了下,启动报错了: XXXXXX08:30:47 mysqld_safe Starting mysqld daemon with databases from /var/lib/mysqlXXXXXX08:30:50 [Warning] The syntax '--log-slow-queries' is deprecated and will be removed in a future release. Please use '--slow-quer…

MySQL 从 5.5 升级到 5.6,启动时报错: [ERROR] Plugin 'InnoDB' init function returned error. [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed. [ERROR] Unknown/unsupported storage engine: InnoDB [ERROR] Aborting 原因:主要是没有正常关闭 mysqld 服务的情况下,对数据库参数进行改…

"Error: [ng:areq] Argument 'keywords' is not a function, got undefined" 代码类似这样的: <div ng-app="xxxx" ng-controller="xxxx"> //... </div> var app = angular.module("xxxx", []); app.controller('xxxx', functio…