mysql connection id

I am used to installing MySQL in binary format. today I am eager to install an RPM Package for MySQL. I did not expect that I have encountered some problems. I will share with you the problems I encountered. first, I will download the installation

CentOS 7.2 Yum compile and install MySQL 5.6, centosyum The following example shows how to install mysql5.6 on CentOS 7.2 Yum. Configure the CentOS SCLo Source [3] add CentOS SCLo Software collections Repository. [root @ linuxprobe ~] # Yum-y

Basic Mysql user operationsCreate a user: mysql> create user 'cai'@'localhost' identified by '123456';Query OK, 0 rows affected (0.00 sec)mysql> select user,host from mysql.user; +-----------

Case study of failure to log on to the server using the specified MySQL clientI am used to installing MySQL in binary mode. Today I am eager to install MySQL with an RPM package. I did not expect that I have encountered some problems. I will share

Based on the above MySQL Cluster To achieve complete MySQL database backup and read/write at the same time. Now we want to achieve high availability, through an IP address can access the MySQL of each node at the same time. Achieve real high

After several years of research, I finally learned how to install the mysql Binary source code package in Linux, and finally solved ERROR 1045 (28000 ): access denied for user 'root' @ 'localhost, okay. Let's take a look at my installation

This example for you to share the CentOS 7.2 Yum installation mysql5.6 method, for your reference, the specific contents are as follows Configure CentOS Sclo Source [3] Add CentOS Sclo Software collections Repository. [root@linuxprobe~]#

Set Change root passwordThe default is no password after installing MySQL (mysql5.7 will randomly generate a root password), you need to manually create a password for the root administrator of MySQLWhen I first use MySQL, there is no MySQL command,

Directory[TOC]1. View the currently installed Linux version[[email protected] ~]$ sudo lsb_release -aLSB Version: :base-4.0-amd64:base-4.0-noarch:core-4.0-amd64:core-4.0-noarch:graphics-4.0-amd64:graphics-4.0-noarch:printing-4.0-amd64:printing-4.0

Local login uses the MySQL command directly, the-u option specifies the user name, and the-p option specifies the user password[Email protected] ~]# mysql-uroot-p123456Welcome to the MySQL Monitor. Commands End With; or \g.Your MySQL Connection ID

I. theory: 1 mysql: client connection tool a-u: specify the user name B-p: specify the password c-host: specify the server IP address or domain name d-P: specify the connection port e -- default-character-set: client character set option f-e:

Official documents:http://galeracluster.com/documentation-webpages/index.htmlFirst, the working principle of Galera clusterThe main focus is data consistency. Transactions can be applied either to each node or not to all. So, as long as they are

13.1 Setting Change root password[Email protected] init.d]# echo $PATH/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin[Email protected] init.d]# path= $PATH:/usr/local/mysql/bin[Email protected] init.d]# Vim/etc/profile[Email protected]

Change the MySQL database root password 1. The first entry into the database is not a password, as follows:[[email protected] ~]# /usr/local/mysql/bin/mysql -uroot //使用绝对路径进入mysqlWelcome to the MySQL monitor. Note: Exit directly input quit or exit,

By default, MySQL does not have a root password and can log in directly after installation:[Email protected] ~]# Mysql-urootWelcome to the MySQL Monitor. Commands End With; or \g.Your MySQL Connection ID is 9Server version:5.1.49 MySQL Community

Microsoft Windows [version 6.1.7601]Copyright (c) Microsoft Corporation. All rights reserved.C:\WINDOWS\SYSTEM32>CD D:D:\C:\windows\system32>d:D:\>CD mysql_5.6.24_winx6420151123D:\mysql_5.6.24_winx6420151123>dirThe volume in drive D is softwareThe

[2] Recovery method when the database is modifiedThe database has been modified, there may be many reasons for the intrusion, and the corresponding program has a bug, and so on, not described in detail here. This will only show you how to revert to

Warning messages: Inodbcdriverconnect ("Dsn=rdata; Uid=root "): [RODBC] error:state IM002, code 0, message [MICROSOFT][ODBC Driver Manager] No data source name found and no default driver specifiedThe above error occurs when the R language is

Whether it is due to the budget, or the leadership requirements, multi-instance installation is also a DBA must master the technology, her start-stop and login mode and the single-instance installation database slightly different, this article

What if I forget the root password of MySQL?We do not set the password for MySQL by default, as followsDefault login for MySQL[Email protected] ~]# Mysql-urootWelcome to the MySQL Monitor. Commands End With; or \g.Your MySQL Connection ID is 1Server