MySQL

http://blog.csdn.net/pipisorry/article/details/46773507Download and install MySQLDownload MySQL InstallerSet up the admin account and password on the installation!Note:1. Dependency may not install MySQL Workbench (SQL integrated development

Most of the site's performance bottlenecks will be on the database, so want to monitor the MySQL, the search for the relevant information.Later and colleagues discussed the next cacti and nagios some old and outdated, graphite more fashionable, and

DROP TABLE IF EXISTSTestcheck;CREATE TABLEUsers (user_id INT not NULLauto_increment, usernameVARCHAR( -) not NULL, PasswordVARCHAR( -) not NULL, PRIMARY KEY(user_id) ) ENGINE=InnoDB;INSERT intoUsersVALUES(NULL,'Test','123456');DROP

A problem today, 1045-access denied for user650) this.width=650; "src=" Http://s3.51cto.com/wyfs02/M02/6F/2B/wKiom1WTjXnwK1IjAAF6lhoeK8E210.jpg "title=" QQ picture 20150701144724.png "alt=" Wkiom1wtjxnwk1ijaaf6lhoek8e210.jpg "/>solutions;The

MySQL foreign key set up detailed(1) Use of foreign keys: The role of the foreign key, there are two main:         One is to let the database itself through the foreign key to ensure the integrity and consistency of the data         One is

Mac install MySQL not win under so smart (no brain), but also need some configuration steps, the online tutorial is not detailed enough to find a few integrated to install, so leave a mark, help others reduce the time loss:1. Go to the official

Lin Bingwen Evankaka original works. Reprint please specify the source Http://blog.csdn.net/evankaka First, the index introductionAn index is a structure that sorts the values of one or more columns in a database table. In a relational database, an

Use mysqldump to back up MySQL data for a fixed time of day. #!/bin/bash#每天早上4点, MySQL backup data orangleliu#chmod backup.sh#crontab-E#0 4 * *

 This article compares the datetime and timestamp in MySQL with an example, although these two methods actually represent the same type, but there are some differences. sameShowThe timestamp column is displayed in the same format as the

First, download, here to use the Green decompression versionHttp://mirror.services.wisc.edu/mysql/Downloads/MySQL-5.1/mysql-noinstall-5.1.32-win32.zipSecond, configure the parameters of MySQL1. Unzip the green version of the software to

When landing umail. Login to a certain user. The following error message appears. Fatal Error: uncaught exception ' pdoexception ' with message ' sqlstate[hy000]: General error:145 Table './umail/wm_statistics ' is MA Rked as crashed and should be

MySQL default encoding is Latin1, does not support Chinese, to support noon need to change the default code of the database to GBK or UTF8.1, need to log in as root user can view the database encoding method (the command logged in as root User:

There are two types of 1.MySQL installation files, one in MSI format and one in ZIP format. If the MSI format can be directly clicked on the installation, according to the installation prompts it to install (I believe you can read English tips),

"Copyright Notice: respect for the original, reproduced please retain the source: blog.csdn.net/shallnet, the article only for learning Exchange, do not use for commercial purposes"SQL (Structured Query language) is a database query and programming

How the Index WorksAn index is a pointer to a sort result that sets the content of the data. Quickly navigate to indexed data, like a catalog of books. Its function is a kind of application on the table for users to quickly readType of indexThe

1. Background information when the total number of records in a table in MySQL exceeds 10 million, will there be a significant decrease in performance? The answer is yes, but the rate of performance degradation varies, depending on the architecture

The application uses MySQL in the process. Tip The database connection is not available.For example:Connections could not being acquired from the underlying database!by command:Show status where Variable_name = ' Connections 'Check the current MySQL

For project reasons, the MySQL database needs to be converted to MMSQL2008. Read the online tutorial, downloaded a lot of software to try, and finally converted to success. Write an article to help someone with the need.1, first have to have a MMSQL2

1:Start or turn off the MySQL service: Service mysqld Start,service mysqld Stop (or/etc/init.d/mysqld start,/etc/init.d/mysqld stop)2:Modify MySQL Password: mysql_secure_installation or mysqladmin-u username-p Old password password new

back up a MySQL instance of about 250GA. Using Xtrabackup Backup and gzip single-threaded compressionTime Innobackupex--user=test--password=test--socket=/home/mysqld.sock--slave-info--defaults-file=/etc/mysql/my . CNF--stream=tar/home/backup | gzip >