myisamchk

InnoDB and MyISAM Difference summaryI used MySQL with Navicat for MySQL (Navicat for MySQL v9.0.15 registration code generator) Operation library, table operation, the default table is the InnoDB type, also do not care. Recently do the project found

1> Repair with "Repair table" methodSyntax: Repair table name [options]The options are as follows:Quick is the fastest when the data sheet has not been modifiedEXTENDED trying to recover each row of data will produce some garbage rows, helpless the

1. Create an administrative user for the MYSQLD database:To set the root user as an administrator, we should run the following command;123456In general, the Mysqladmin directory has been added to $path, if the command is not found, see if the

MySQLDatabaseMysqlcheckThe usage of mysqlcheck is the content we will mainly introduce in this article. We know that mysqlcheck is a mysql-provided mysql table that can be checked and repaired, and it can also be optimized and analyzed, the function

The following articles mainly describe how to implement the basic usage of MySQL Databases in linux. The following describes the specific operations in the article, if you are interested in the actual operations, I hope the following articles will

MySql storage engine Introduction MySQL5.5 and later are used by defaultInnoDBThe storage engine. InnoDB and BDB provide transaction security tables. Other storage engines are non-transaction security tables.To modify the default engine, you can

MySQL Security Configuration MySQL_Help_Link1. Security Policy 1.1 data security in the management sense To access a MySQL database, you must first access a certain permission of the database, that is, to log on as a user in a permission mode. Most

The master-slave synchronization of the MySQL database has been performed for one year, and some errors are encountered during this period. You can find and solve the problems by yourself.Share with you 1 If: Slave_IO_Running = NO, Slave_ SQL

When I use a database today, the following error is returned:Table 'ios _ sample' is marked as crashed and shoshould be retried redIn desperation, stop using the database and find the cause. It means that the data table 'ios _ samples' is marked

About MySQL database optimization from the O & M perspective A mature database architecture is not designed with high availability, high scaling, and other features at the beginning. It is gradually improved with the increase in the number of users.

MYISAM table batch compression bitsCN.com Batch compression of MYISAM tables These two operations need to be used with caution. before compression, you need to confirm that mysqld is disabled or that the table to be compressed does not have any

Mysql reports Tableamp; #39;. erchina_newsv9_searchamp; #39; ismarkedascrashedandshouldberew.red bitsCN.com Straight to question This problem is reported because the table boot is broken. you only need to fix the problem. Method 1: Find the

Personal experience Summary: MySQL database optimization tips collection bitsCN.com 1. what can and should we optimize? Hardware Operating System/software library SQL Server (set and query) Application programming interface (API) Applications II.

Run multiple MySQL services on the same machine Run multiple MySQL services on the same machine **************************************** ****************** The first part is to build a multi-mysql service on a server. *****************************

The restoration of corrupted data in the mysql database is shared with the restoration of corrupted data in the MySQL database for your reference. if you have similar problems in the future, you can avoid detours, solve the problem as soon as

Optimize the PHP website to run like MySQL. 1. what can and should we optimize? Hardware 　　 Operating System/software library 　　 SQL Server (set and query) 　　 Application programming interface (API) 　　 Applications 　　 II. optimize hardware If you

MySQL remote access authorization and quick repair of bitsCN.com > Grant all on *. * to root @ '%' identified by '20140901 ';> Flush privileges;MySQL remote access authorization and quick fixMySQL remote authorization# Mysql-uroot-p> GRANT all

Basic mysql operations in linux: bitsCN.com Java code 1. create a management user for the mysqld database: to set the root user as the administrator, run the following command; [Root @ linuxsir01 root] # mysqladmin-u root password 123456 Generally,

1. what can and should we optimize? Hardware operating system software library SQL Server (setup and query) application programming interface (API) Application 2. optimize hardware if you need a large database table (2 GB ), you should consider

Mysql database optimization and restoration tool mysqlcheck details 1. Introduction to mysqlcheck The mysqlcheck client can check and repair the MyISAM table. It can also be optimized and analyzed. The function of mysqlcheck is similar to that of