mysql clear table

1. Full backup and incremental backup 1.1 full-scale backupFull-volume data is all the data in the database, and a full backup is the backup of all the data in the database.Back Up all libraries:mysqldump -uroot -p123456 -S /data/3306/mysql.sock -F -

If you want to disable binary mysql logs, you can. ini to the log-bin line comment out to clear the binary log, in mysql enabled the binary log state, log on to mysql as root after executing one of the following two commands: PURGEMASTERLOGSbefore202

In the practical application, often need to implement in a query statement to display more than one table of data, this is called a multiple table data record connection query, referred to the next year will be the query. When you implement a

1. download MySql 1. download MySql Open http://www.mysql.com/downloads/mysql/#downloads download in browser My downloaded version is Red Hat 5 version of http://www.mysql.com/downloads/mirror.php? Id = 407552 Upload the file to the server, or

How to configure MySQL database server on CentOS BitsCN.com accidentally found CentOS Professional Forum, remember: http://www.centospub.com As a result, the initial learning configuration This environment: CentOS system, Mysql-server (version

Install MySQL1. Download the MySQL Installation FileThe following two files are required to install MYSQL:MySQL-server-5.1.7-0.i386.rpm To download the above two RPM files, locate the "server" and "client programs" items and find the items

-- Add users and groups [root @ zlmlocal] groupadd [root @ zlmlocal] useradd-gmysql-ssbinnologin-doptmsyqlmysql -- create a directory [root @ zlmlocal] mkdirdatamysqlmysql_3306 {data, l -- Add users and groups[Root @ zlm local] # groupadd [Root @

The method for MySQL to automatically clear binlog, mysqlbinlog Note: If the server that enables MySQL binlog is not set to automatically clear logs, binlog logs are retained by default for a long time, and the server disk space is full of binlog

Details about how to clear table space fragments in MySQL. How to clear table space fragments in MySQL Causes of fragmentation (1) the storage of a table is fragmented. When a row of content is deleted, the space in the row is blank and left blank.

Install MySQL1. Download the MySQL Installation FileThe following two files are required to install MYSQL: MySQL-server-5.1.7-0.i386.rpm To: http://dev.mysql.com/downloads/mysql/5.1.html, open this webpage and click"Linux x86 generic RPM