mysql table drop

Grammar:Delete TableDROP table Syntaxdrop [temporary] table [IF EXISTS] tbl_name [, Tbl_name] ... [RESTRICT | CASCADE]You can delete one or more tables at a time. You need to have drop permissions on the deleted table.Both the table definition

Grammar:Delete TableDROP table Syntaxdrop [temporary] table [IF EXISTS] tbl_name [, Tbl_name] ... [RESTRICT | CASCADE]You can delete one or more tables at a time. You need to have drop permissions on the deleted table. Both the table

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

In order to better optimize MySQL in high concurrency, it is necessary to understand the locking table mechanism when MySQL query is updated.I. OverviewMySQL has three levels of Lock: page level, table level, row level.MyISAM and MemoryStorageThe

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 -

MySQL creates a table and creates a . frm file to save the table and column definitions. The index is stored in one . MYI (Myindex) and the data is stored in the . MYD (MYData) file extension. First, using Show/describe statement to display the data

Detailed description of Mysql commands (recommended) and mysql commands This section describes commonly used MySQL commands, including connecting to the database, changing the password, managing users, operating databases, operating data tables, and

Install mysql in centos5.8 1. Install mysql yum Source Download the rpminstallation package of mysql's latest yumsource from http://dev.mysql.com/downloads/repo/yum/   wget http://repo.mysql.com//mysql57-community-release-el6-9.noarch.rpm Use yum

Summary:how to drop MySQL database tables and recreate them if you have foreign keyrelationships between the T Ables.This is pretty obscure, but I thought I ' d post it It's I wouldn ' t forget how to do this ... if you ever has a situatio n When

First, DROP tableExecute DROP TABLE XX statementThe drop table is placed in the Recycle Bin (user_recyclebin) instead of being deleted directly. In this way, the table information in the Recycle Bin can be restored or completely erased.Retrieve the