mysql connect db

**************************************** ****************** The first part is to build a multi-mysql service on a server. **************************************** ****************** I. xuyan There is a mysqld_multi command in Mysql that can be used

Run multiple MySQL services on the same machine Run multiple MySQL services on the same machine **************************************** ****************** The first part is to build a multi-mysql service on a server. *****************************

mysql,mysqldump,mysqladmin,php connecting to MySQL service often prompts the following error: 1 error 2002 (hy000: can ' t connect to local MySQL server through Socket ' /var/lib/mysql/mysqlsock ' (2

As shown below, PHP connection MySQL error: SQLSTATE[HY000] [2002] Can ' t connect to local MySQL server through socket ' MySQL ' (2) The test code is as follows:getmessage ();}" Solutions "Change host=localhost to host=127.0.0.1 !

First, Introduction　　　　MySQL master-slave replication, the previous time the production environment deployed a master-slave replication of the architecture, at that time now found a lot of information, now recordedSecond, topology diagramThird,

Role of the master and slave: 1. It can be used as a backup method. 2. read/write splitting to relieve the pressure on a database MySQL master-slave backup principle: Mysql master-slave replication requires at least two Mysql services. Of course,

Detailed steps for implementing mysql hot backup in linux (mysql master-slave replication) bitsCN.com Role of the master and slave: 1. it can be used as a backup method. 2. read/write splitting to relieve the pressure on a database MySQL

As shown below, PHP connection MySQL error: SQLSTATE[HY000] [2002] Can ' t connect to the local MySQL server through socket ' MySQL ' (2) The test code is as follows: Try{$dsn = ' Mysql:dbname=php-note;host=localhost;port=3306;charset=utf8

Starting the MySQL service often prompts the following error:ERROR 2002 (HY000): Can ' t connect to local MySQL server through socket '/var/lib/mysql/mysql.sock 'This is due to the mysql.sock location of the socket file that modifies the MySQL

The role of Master and subordinate: 1. Can be used as a backup method 2. Used to achieve the separation of read and write, ease the pressure of a database MySQL master-slave backup principle: MySQL's master-slave replication is at least two