MySQL

Pattern matching for MySQL WHERE clauseToday in the application of this problem encountered,There is a field T1, where the value is similar to: 1,1,1,2,3,3,4,4,5,5,2,4,3,2,1,2Need to search from inside for example: the first comma before the number

Original link: MySQL Memory Allocation-by Rick JamesOriginal date: Created 2010; Refreshed Oct,, Jan, 2014Translators: AnchorTranslation Date: May 28, 2014MySQL Memory Allocation--Quick setup SchemeIf you use only the MyISAM storage engine,

Original link: http://www.360doc.com/content/11/1209/09/834950_170836197.shtmlScenario: Perform a full backup every Sunday, performing an incremental backup every 1 o'clock in the afternoon[Applicable version] MySQL 4.x–6.xConfigurationThe

Or install mysql-connector-odbc-5.3.2 on the virtual machine Windows Server 2003, the outfit is the error, roughly "1918 ... Cannot load installation or converter library ... ", ask me Retry,ignore or abort. Retry is not through, ignore on the bad,

--mysql Master-slave failure error got fatal error 1236 workaround----------------------------------------------------2014/05/19Due to an external restart of the main server, resulting from an error, errors are as follows:Show Slave status

The following are some experiences in using the MYSQL service, mainly from the following aspects: MYSQL service planning and design.1. versatility of MYSQL service installation/configuration;2. Easy system upgrade and data migration;3. fast backup

The following articles mainly introduce the actual installation methods of MySQL and specific Chinese solutions, the environment we demonstrated was to install MySQL (the best combination with PHP) 5.0.27 icc On Debian Etch Linux, and use JDBC to

Today, we will mainly talk about how to correctly retrieve related data from MySQL database tables, if you are interested in the actual operations on the MySQL database table to retrieve the relevant data, you can click to view the following article.

The following article describes the MySQL error code list learned by a beginner in MySQL. If you have some knowledge about the MySQL error code list, you can perform better operations in actual operations. The following describes the specific

MySQL slow query can help us optimize the efficiency of the MySQL database. The following describes how to enable MySQL slow query to find SQL statements that affect the efficiency. During website operation, the website may suddenly slow down. In

This article mainly introducesNavicat MySQLIn LinuxMySQLIt is a powerful MySQL database server management and development tool that can be used in any MySQL version 3.21 or later, most functions of the latest MySQL version are supported, including

MYSQL is a fully networked cross-platform relational database system and a distributed database management system with a client/server architecture. MySQL is a fully networked cross-platform relational database system and a distributed database

  1. query stored procedures in a database Method 1 (view the content of a specified Stored Procedure ): Select body from mysql. proc where name = 'Procedure _ name ';   Method 2 (view all stored procedures ): Show procedure status;   Ii. Export and

Mysql data from the previous month, January, a week ago, mainly used DATE_SUB, Refer to the following Copy codeThe Code is as follows:SELECT * FROM yh_contentWhere inputtime> DATE_SUB (CURDATE (), INTERVAL 1 DAY)Where inputtime> DATE_SUB (CURDATE (),

I. What triggers 1. Personal UnderstandingA trigger, literally, is a trigger. For example, if it is dark, you turn on the light and you see something. You put a gun on it and lit it up. It will blow up later.2. official definitionA trigger is a

Use mysql_udf and curl library to complete http_post communication module (mysql_udf, multi_curl, http, post) This module is currently mainly used for data synchronization between the sns of xoyo and the tcsql database independently developed by

MySQL Workbench is the next generation of Visual Database Design and management tools. It also has two open-source and commercial versions. The software supports Windows and Linux systems. The following are some interfaces for running the software:

This topic describes how to use the show command in MySQL. A. show tables or show tables from database_name; -- displays the names of all tables in the current database. B. show databases; -- display the names of all databases in mysql. C. show

Transaction processing is a very good feature in mysql. For example, if you do not use Transaction Processing When deleting a large amount of data, some deletion failures may lead to incomplete data. If you use transaction processing, such problems

MySQL Semi-synchronous Replication (Semi-synchronous Replication) in enterprise applications, MySQL often uses a master-slave architecture or a master-master architecture to achieve load balancing of MySQL servers, improves the performance of the