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MYSQL creates a database in UTF-8 format, bitsCN.com MYSQL creates a database in UTF-8 format Start with mysql: Linux code GBK: create database test2 default character set gbk COLLATE gbk_chinese_ci; UTF8: create database 'test2' default

BitsCN.com MySQL's question about string spaces in query conditions Assume that the current mysql database has a table: sysuser There is a field: sysUseName The record content in the field is: robin See the following two SQL statements: SELECT *

Mysqlamp; quot; groupbyamp; quot; and amp; quot; orderbyamp; quot; research-the latest content in the classification bitsCN.com Research on mysql "group by" and "order by" -- the latest content in classificationThese two days make it difficult to

Use the mysqlfederated engine to build the MySQL distributed database access layer bitsCN.com Build a mysql distributed database access layer using the MySQL federated Engine The federated Engine described in this article is a special MySQL engine.

Mysql5.5replication multi-database Master-Slave backup Master-Slave configuration summary bitsCN.com Mysql 5.5 replication multi-database Master-Slave backup Master-Slave configuration summary Configure dual-Machine backup for Mysql server 5.5,

MySQL transaction learning -- amp; gt; isolation level bitsCN.com MySQL transaction learning --> isolation level 6. transaction isolation level Purpose In database operations, the transaction isolation level is proposed to effectively ensure the

High-Performance MySql evolution: Introduction to the principles and features of common index types bitsCN.com High-Performance MySql evolution: Principles and features of common index types As we all know, the impact of indexes on database

High-Performance MySql evolution (11): Optimization of common query statements bitsCN.com Summarize the optimization methods of common query statements.1 COUNT 1. Functions of COUNT · COUNT (table. filed) indicates the number of records for which

Install mysql5.6.15 on centos6.3 and set mysql master-slave replication CentOS6CentOS BitsCN.com I. minimal installation of centos II. after the virtual machine is installed, iptables is automatically enabled and chkconfig iptables is permanently

You can use terminal to log on to linuxmysql. the reason for Port 3306 being disabled is bitsCN.com. Linux suse11 can log on to terminal to perform various operations normally. jdbc web program running on tomcat has an exception: Com. mysql. jdbc.

Mysql: 21 best practices for performance optimization 5 [use and index equivalent columns when joining a table] bitsCN.com When you Join a table, use a column of equivalent type and index it. If your application has many JOIN queries, you should

30 common methods for optimizing SQL statement queries in MySQL, bitsCN. com1. to optimize the query, try to avoid full table scanning. First, consider creating an index on the columns involved in where and order. 2. try to avoid using it in the

How to install MySQL5.5.28 on Windows XP BitsCN.com MySQL database installation is divided into two parts: database installation and database configuration. I. installation of MySQL database 1. double-click the downloaded MySQL installation file ,:

Instance method for mysql automatic incremental backup (local backup and remote backup) bitsCN.com 1. local backupCompile an automatic backup script:Vim/var/lib/mysql/autobakThe content is as follows:Cd/data/home/mysqlbakRq = 'date + % Y % m %

Mysql database insertion speed and read speed adjustment record bitsCN.com (1) thoughts on improving database insertion performance: Try to write Data to the Data File at a time and reduce the checkpoint operation of the database. The following four

MYSQL root password modification command summary bitsCN.com 1. how can I change the root administrator password of mysql at the win2K command prompt?> Mysql-u root-p Enter password :****** Mysql> use mysql; Mysql> update user set password = password

10 time-saving MySQL command summary bitsCN.com Although many GUI-based MySQL clients exist, such as the famous phpMyAdmin and SQLYog, I have always liked the native MySQL command line client. Indeed, I am not familiar with these command line

For more information about how to solve the MySQLserverhasgoneaway problem, see. The bitsCN.com application (such as PHP) executes MYSQL statements in batches for a long time. Execute an SQL statement, but the SQL statement is too large or the

Install and use bitsCN. comauthor: skate for mysqlsla Time: 2012/02/17 Installation and Use of MySQL SLA 1. download mysqlsla [Root @ localhost tmp] # wget http://hackmysql.com/scripts/mysqlsla-2.03.tar.gz -- 19:45:45 --

MySQL replace () function introduction bitsCN.com MySQL replace () function introduction When I encountered a problem during my work today, I had to replace the "shop.xxxx.net" character in all the values of a column in the database with