MySQL

PHP parsing MySQL Binlog, dependent on Mysql-replication-listener librarySee: Https://github.com/bullsoft/php-binlogInstall MySQL Replication Listener Https://github.com/bullsoft/mysql-replication-listener/archive/master.zip unzip

Today, database operations are increasingly becoming a performance bottleneck for the entire application, which is especially noticeable for web applications. It's not just about the performance of the database that DBAs need to worry about, it's

Linux under mysql compilation Installation Tutorial# View linux release numberCat/etc/issue# View linux kernel versionUname-rThis paper tests environment centOS6.6I,Linux under compile and install MySQL before the preparation work Install the tools

from:http://blog.xupeng.me/2013/10/11/mysql-replace-into-trap/MySQL has a lot of extensions for SQL, some of which are handy, but there are performance issues with some of them being misused, and there are some unintended side effects, like REPLACE

DCL: Data Control LanguageGRANTREVOKEUser: Virtual user.Password: Use the password () functionThe user's account is only available for authentication and requires additional authorization to use the feature.User account structure:[Email

1. Configure PHPIf you want to run PHP files under Dos, you must add the PHP installation directory to the environment variables. The steps are as follows:My Computer-Properties-advanced-environment variables-system variables,First, see if the

1, Connection MySQL format: mysql-h host address-u user name-P user Password1. Connect to MySQL on this machine. First open the DOS window, then enter the directory Mysql\bin, and then type the command Mysql-u root-p, enter after the prompt you to

pivoting is a technique that can rotate rows into columns. Aggregations may be used during the execution of pivoting. Pivoting technology is widely used. The following is a static pivoting query, in which the user needs to know in advance the values

One, MySQL command line argumentsUsage:mysql [OPTIONS][Database]Command mode-?,--help//Display assistance information and exit-I,--HELP//Display Help information and exit--auto-rehash//Auto-complete function, like Linux inside, press the TAB key out

The installation process has been error:Environmenterror:mysql_config not foundFinally, the following approach is resolved: 58down voteaccepted+200 Ok, well, first A, let me check if I am on the same page as you:

recently, when learning the configuration of a MySQL cluster, first understand what cluster, why to use the cluster, and what software to install the cluster is and what processes are in the cluster. 1. What is a cluster? A cluster is a group of

The source of this article: http://blog.csdn.net/u012377333/article/details/47006087After the introduction of the CentOS-based MySQL learning Supplement two-using the shell to create a database, this article continues to explore the use of shell and

[Client]Port = 3306Socket =/tmp/mysql.sock[Mysqld]Port = 3306Socket =/tmp/mysql.sockBasedir =/usr/local/mysqlDataDir =/data/mysqlPid-file =/data/mysql/mysql.piduser = MySQLBind-address = 0.0.0.0Server-id = 1 #表示是本机的序号为1, which is generally the

Write in front: indexes have a critical impact on the speed of queries, and understanding indexes is also a starting point for database Performance tuning. Consider the following scenario, assuming that a table in the database has 10^6 records, the

Recently encountered a problem, see some sample code connection database some with org.gjt.mm.mysql.Driver, some with com.mysql.jdbc.Driver, then what is the difference between these two?"Org.gjt.mm.mysql.Driver was the best MySQL jdbc of the time,

Troubleshoot Windows MySQL table name capitalization auto-lowercase problems Some people may encounter under Windows, the table name cannot be capitalized, even if the use of the capital letter of the table statement, or will be automatically turned

MySQL not in, left joins, is NULL, not EXISTS efficiency problem records, the need for friends can refer to.No in , JOIN, is NULL, not exists efficiency comparisonStatement one: SELECT COUNT (*) from A where a.a not in (select A from B)Statement two:

MySQL study use of the--mysql tool (MySQL Administrator)System Environment:Operating System: Windows 7 (+): http://www.softpedia.com/get/Internet/Servers/Database-Utils/MySQL-Administrator-for-Windows.shtmlOfficial Introduction: MySQL Administrator

The author recently due to the special needs of the company personnel, the MySQL database in the specific table exported to Excel format data saved. If you are bored, here are the steps:1:cmd Open the database, mysql-uroot-p2: Select the database,

Java programs can be linked to the database through the JDBC, JDBC can easily access the database, do not have a specific database to write a special program.Need to configure Mysql-connector-java-5.0.8-bin.jar firstThe development process for