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In linux, mysql automatically backs up databases and automatically deletes temporary files bitsCN.com. Mysql automatically backs up databases and deletes temporary files in linux 1. Automatically delete temporary files at every day First, check

Programmer's mysql database auxiliary tool bitsCN.com Programmer's mysql database auxiliary tool This database auxiliary tool (1.0) is fully open-source and is a database auxiliary tool developed according to your company's needs. This tool is

Mysql numeric data type bitsCN.com Mysql value data type MySQL numeric data types can be roughly divided into two categories: one is an integer, and the other is a floating point or decimal. Many different subtypes are available for each of these

[MySQL] account and permission management bitsCN.com [MySQL] account and permission management MySQL initial account management The initial MySQL account is as follows: [sql] [root@lx16 ~]# mysql -u root mysql> select host,user,password from

Install MySQL-source code (for testing in an experimental environment) bitsCN.com Install MySQL-source code (for testing in an experimental environment) [Plain]# The virtual machine is the original system. we have installed scp in the virtual

Ubuntu virtual machine deployment of multi-point mysql-cluster7.3.2 server Ubuntu BitsCN.com Deploy multi-point mysql-cluster7.3.2 server in ubuntu under virtual machine Deployment environment: System: ubuntu-12.04.2 LTS-server-i386.iso

[SQL] MySQL Performance Optimization bitsCN.com [SQL] MySQL Performance Optimization 1. optimize your query for the query cache Query cache is enabled on most MySQL servers. This is one of the most effective ways to improve performance, and it is

Install bitsCN.com in xtrabackup-2.1.2-611 Xtrabackup-2.1.2-611 download link: Wget http://www.percona.com/downloads/XtraBackup/XtraBackup-2.1.2/binary/Linux/x86_64/percona-xtrabackup-2.1.2-611.tar.gz Install the dependent packages required for

MySQL online MM architecture manual failover process bitsCN.com MySQL online MM architecture manual failover process [] Switching from 11 to 10 Online 10 and 11 Management Cat/proc/drbd The normal status is: [Root @ odb-m10 ~] #

Quickly Restore a table named mysqldump from the mysqldump file BitsCN.com Quickly Restore a table from the mysqldump file In many cases, we need to restore a table from the mysqldump backup file. the common practice is to restore the SQL file to

How does mysql increase its query speed? bitsCN.com How mysql improves query speed 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 found

Default differences between MySQL5.5 and 5.6 bitsCN.com Default values of MySQL 5.5 and 5.6 are different. As part of the performance comparison between MySQL 5.5 and 5.6, I have studied the differences between the default parameters of the next

How to modify MySQL encoding in Linux affects project garbled characters: bitsCN.com Modifying MySQL encoding in Linux affects project garbled characters After logging on to mysql by default, you can view the system VARIABLES and their values

MySQL Query statement execution process and performance optimization-basic concepts and explanations BitsCN.com MySQL Query statement execution process and performance optimization-basic concepts and explanations The key aspect of website or

Mysql Performance Monitoring related bitsCN.com Mysql Performance Monitoring 1. obtain the total number of processes under the mysql User II. host performance status III. CPU usage IV. disk I/O volume 5. swap inbound/outbound [memory] VI. database

Chapter 0: MySQl preschool knowledge reserve bitsCN.com I. database basics: 1. database: a container that stores organized data (usually a file or a group of files ). 2. database management system (DBMS): a software system for creating and

About AdminPingCommand bitsCN.com of MySQL Preface: The Admin Ping Command was thoroughly tested during the recent online QPS soaring diagnosis process. In addition, I have recently read some related knowledge in some foreign articles, so I will

[Slow query optimization] use MySQL subqueries with caution, especially when you see the DEPENDENTSUBQUERY tag bitsCN.com case study: Preface: I have repeatedly stressed the importance of explain in slow query optimization 1 and 2, but sometimes

Mysql5.6 dual-master configuration automatic synchronization script bitsCN.com # Recently, a project has been applied to the mysql dual-master structure and is shared. # Mysql version: 5.6.11 # Operating system version: rhel 6.2 # My. cnf

Mysql: 21 performance optimization best practices 1 [optimize your query cache] bitsCN.com Optimize your query for query cache Query cache is enabled on most MySQL servers. This is one of the most effective ways to improve performance, and it is