case mysql select

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 -

This article uses a case to see how the MySQL optimizer selects the index and JOIN sequence. For Table Structure and data preparation, refer to the test environment at the end of this article. Here we will mainly introduce the main execution process

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

MySQL has become one of the most widely used databases on the network, especially for Web applications. it occupies the absolute advantage of small and medium applications. All of this comes from its small and easy-to-use, secure and effective, open

Henan College of Traditional Chinese Medicine Course Design Report of MySQL Database Management  Title: Research and Implementation of MySQL Clusters       Completion date:2012January 1, December 31   Contents 1. Course Design overview 3 2. research

MySQL data recovery case after truncate misoperation, mysqltruncate The actual online scenario is complicated. At that time, the truncate and delete operations were involved. It was confirmed that more than 70 thousand rows of data were lost. when

The following articles mainly describe the practical application of MySQL conditional select case. This article does not closely introduce the actual application code example, it also lists the items worth your attention in the actual operation of

MySQL常用指令，java，php程序员，数据库工程师必备。程序员小冰常用资料整理MySQL common commands (for reference)The most common display commands are:1. Display the list of databases.show databases;2. Display the data table in the library:Use MySQL;Show tables;3, display the

Analysis on the Case sensitivity of English letters in MySQL, mysql Case Mysql databases are sometimes case-sensitive and sometimes not true when performing queries, mainly determined by the setting of mysql character verification rules, by default,

Original source: http://www.cnblogs.com/luckcs/articles/2543607.htmlMySQL Master-slave Replication (master-slave) and read-write separation (mysql-proxy) practicesAs the most widely used free database in the world, MySQL believes that all engineers