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 -
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
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
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 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
One, MySQL installationInstall MySQL under CentOS Please open: http://www.centoscn.com/CentosServer/sql/2013/0817/1285.htmlIi. several important directories of MySQLMySQL installation is not as if SQL Server is installed by default in a directory,
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,
Generally, the entire string is used as the operation object, for example: search for a substring in a substring, obtain a substring, insert a substring at a certain position in the substring, and delete a substring.
Generally, the entire string is
Select *, if (SVA = 1, "male", "female") as ssva from tableame where id = 1Quote control flow Functions
Case value when [compare-value] Then result [when [compare-value] Then result...] [else result] end case when [condition] Then result [when
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