MySQL

Export Database --Export DBNAME table structuremysqldump-uroot-p123456-d dbname > Dbname.sql--Export dbname table dataMysqldump-uroot-p123456-t dbname > Dbname.sql--Export dbname table structure and datamysqldump-uroot-p123456 dbname > Dbname.sql

method One: by adding parameter--default-character-set = UTF8 solve garbled problem Mysql-u root-p Password method Two: import garbled solution on the command line Use database_name;Set names UTF8; (or other required encoding)SOURCE example.sql (

The ORDER by null purpose is to force the ordering to be disabled for query results. When you check the query by explain, if you see a using Filesort in the extra column, this has a certain effect on performance, especially when group by is used,

Today I wrote an airport table with a few fields Primary key ID, airport English name, airport Chinese name, airport three codewords, Airport city nameID, name, c_name, Code,city_nameSince the airport three codewords are not duplicated, I initially

The function of this shell is to automatically restore MySQL master and slave error, is it feeling very powerful? All right, go straight to the code. The code is as follows Copy Code #!/bin/sh# Check_mysql_slave StatusIp=

A generic backup database uses tools such as phpMyAdmin, Navicat. In fact, in the window under the CMD command mode backup is also a good choice. Today, in command mode, back up the database, table, restore database, Table command. Back up the

When you use PHP to insert large data into MySQL, you encounter a problem: 2006:mysql server has gone away:: INSERT into Hu Jintao After looking, knowing the reason, is that MySQL's max_allowed_packet value is set too small or not set, this

What are the MySQL storage engine types MyISAM Manage non-transaction tables. Provides high speed retrieval and full-text search capabilities.The memory storage Engine provides a "in-memory" table, and the merge storage engine allows the collection

User functionDisk space: 2 GBBandwidth: GBBack to UPS: dailyFee: FreeDomain: 10Subdomains: UnlimitedMySQL Database tutorial: UnlimitedE-mail acconts: UnlimitedThe cpanel/whm:√FTP account: UnlimitedCollapse of the Disco drum luxury automatic

Database Config*/ The code is as follows Copy Code $db _host = ' localhost ';$db _user = ' root ';$db _pass = ';$db _database = '; $link = mysql_connect ($db _host, $db _user, $db _pass) or Die (' unable to establish a

MySQL version: Mysql-4.1.21-win32.exeApache Version: Apache_1.3.37-win32-x86-no_src.msiOperating system: WinXP + SP2PHP Version: Php-4.4.3-win32.zipMy site is currently supported in both Chinese and English and will need to support other languages

Applicable environment:System support: CentOS-5 (32bit/64bit), CentOS-6 (32bit/64bit)Memory Requirements: ≥256mWhat was installed:1, Apache 2.2.22 or Apache 2.4.22, MySQL 5.5.243, PHP 5.2.17 or PHP 5.3.134, phpMyAdmin 3.5.15, Zendoptimizer 3.3.9

Create a databaseCreate a database of your own. See the following syntax.Create database [if not exists] db_name;The first part is a fixed keyword, and db_name is the name of the database you want to create, for example:Create database test04;In

System environment:Server System: CentOS 6.5 x86_64Mysql version: Mysql 5.1I. binlog introduction1. binlog, that is, binary log, which records all changes in the database.2. When the SQL statement of the database is changed, a record will be written

Benefits of master-slave replicationIt ensures real-time asynchronous data backup and the primary server is secure and reliable without being influenced by external data.Master-slave replication principleDistributing data to multiple systems is

[What is mysql]A brief description is a database software.[Download]Download the community version source code on the mysql official website. Download the command:Wget http://dev.mysql.com/get/Downloads/MySQL-5.6/mysql-5.6.22.tar.gz[Resolve package

I tried to use the CentOS 7.0 virtual machine on Alibaba Cloud, deployed the Django application, and used MySQL to record some problems, many of these problems may be caused by CenOS 7 (previously adapted to CentOS 6.x ).1. MySQL is gone and