Mysql basics: deleting databases and tables, rename a table ============== delete a DATABASE ================ drop database is used to cancel the table used in the DATABASE and cancel the DATABASE. Be careful when using this statement! To use drop
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. Clear the deletefrom table name in the mysql table; truncatetable table name; delete statements without the where parameter can delete all contents in the mysql table, and truncatetable can also be used to clear all contents in the mysql table.
MySQL getting started tutorial (5): create, modify, and delete tables. mysql getting started tutorial
MySQL is a Relational Database Management System. This so-called "Relational" can be understood as "tables". A Relational Database consists of one
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
Document directory
1. Merge Tables
1. Merge Tables
If you want to, you can think of the merged table as an old partition table with more restrictions, but they also have their own use, and can provide some functions that the Partition Table
--1. Working with databasesUse Ren;--2. Create a student tableCREATE TABLE Student(Sid INT UNSIGNED PRIMARY KEY auto_increment,--UNSIGNED (unsigned) auto_increment (self-increment)Sname VARCHAR (10),--only 10 characters can be savedSaddress VARCHAR (
The following articles mainly describe the creation and deletion of MySQL databases, as well as the detailed parsing of indexes and changing actual table statements. If you are also popular with MySQL databases, you can click the following article
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
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
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