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Innodb modifies the table shared space to an independent space bitsCN.com Recently, the mysql innodb storage engine was optimized to convert the shared tablespace into an independent tablespace. I didn't think so much at the beginning, so I had to

Some methods for optimizing the query speed when mysql processes massive data bitsCN.com Recently, due to work needs, I began to pay attention to the optimization methods of select query statements for Mysql databases. In actual projects, it is

MySQL transfers the data file bitsCN.com How can I transfer data in Ubuntu 12.04? This discussion gives the general direction: Http://askubuntu.com/questions/224/how-to-i-move-mysql-data-files-onto-different-partition The default data file path

What is the transaction in Mysql? how to use bitsCN.com? What is a transaction? A transaction is a logical group of operations that constitute each unit of this group of operations. if it fails or fails, it is a transaction. Note: mysql data

Introduction to triggers in Mysql and use cases bitsCN.com What is a trigger? A trigger is a database program that monitors a behavior of a data table. Once the behavior of a data table occurs, the corresponding SQL statement is executed

How to use mysqlInnodb tablespace unmounting, migration, and loading mysql BitsCN.com Condition:Two servers: A and B. The table on server A needs to be migrated to server B.Innodb table: sysUser, number of records: 351781.The following tests are

Description of MySQL scheduled task (event scheduler) EventScheduler bitsCN.com To check whether the event scheduler is enabled, run the following SQL statement: Show variables like 'event _ schedount ';Or SELECT @ event_scheduler;Or Show

Analysis of two methods of SQL statement row/column conversion case... the application of the when function and the limit function bitsCN.com /* Create a database */Create database tmpGoUSE tmpGo /* Create a database Test table */Create table

Mysql database optimization summary (experiences) bitsCN.com 1. optimize your MySQL Query cacheYou can enable the high-speed query cache for queries on the MySQL server. It is one of the most effective ways to improve performance by quietly

Resolve the method of setting the current time as the default value for MySQL bitsCN.com We often encounter the problem of setting the current time as the default value in MySQL. The following describes how to set the current time as the default

6 GB database import reports various errors solution bitsCN.com Tool selection I. Sqlyog is a powerful tool, but in the face of a 5G database, it can only strike, simply put, the local import can be, from the local import server can not. II.

How to solve Navicat error 10441045 when installing Navicat in Mysql BitsCN. comin Navicat for MySQL, PostgreSQL and Oracle The error occurs because the mysql account does not have sufficient permissions to connect to the remote mysql server. After

Multiple methods for setting passwords for users in mysql: bitsCN.com when you installed Mysql on the machine for the first time, you can access the database anonymously or enter the database as a root without a password. in addition, if you are an

There are three types of MySQL Stored Procedure parameters (in, out, inout) bitsCN.com I. MySQL Stored Procedure parameters (in)MySQL stored procedure "in" parameter: similar to the value passing of function parameters in C language, MySQL stored

Using RotateMaster to implement MySQL multi-master replication implementation method bitsCN.com, of course, the emergence of the GUID function of 5.6 also brings infinite possibilities of multi-master, but this is already a question. This article

Mysql service 1067 error multiple solutions share bitsCN. commy. ini in the MySQL directory, so I copied a my. ini file on my colleague's machine and put it in a separate place as a backup. The content is as follows: # Uncomment or Add only the

MySQL CASEWHEN statement usage instructions bitsCN.com The case when Statement in the mysql database. The case when statement is used to calculate the condition list and return one of multiple possible result expressions. CASE has two formats: The

MySQL database recovery (using mysqlbinlog command) bitsCN. com1: enable binlog logging Modify the mysql configuration file mysql. ini and add it under the [mysqld] node. # Log-bin Log-bin = E:/log/logbin. log Do not include Chinese characters

Description of how mysql processes binlog bitsCN.com. However, we do not want to describe the implementation details of a storage engine or describe the advantages and disadvantages of various storage engines. we just want to describe how mysql

BitsCN.com is a problem with mysql calling stored procedures for multiple times. when using mysql c api to build an application, one connection can only execute one stored procedure, no matter how free we use this connection again, there will be a