MySQL

MySQL backup and restore is done using the mysqldump, MySQL, and source commands.backup and restore of MySQL under 1.win321.1 BackupStart Menu | Run | cmd | Go to Bin folder with "Cd/program files/mysql/mysql Server 5.0/bin" command | Use "Mysqldump-

CREATE TABLE Table_1(ID INT UNSIGNED not NULL PRIMARY KEY auto_increment,The ID is listed as an unsigned integer, and the column value cannot be null, cannot be duplicated, and is self-increasing.NAME VARCHAR (5) Not NULL)Auto_increment = +; (id

When MySQL single-table data is huge, query performance can be poor, and it is often encountered that storing log-related data produces a large amount of data per day.Here are three ideas for splitting a single table into multiple table storage:One,

View1. Advantages Viewpoint Focus Simplify operations Custom data Merge split data Security 2. Why do I need a view?A view is an SQL statement of a query stored in a database, and it is primarily for two reasons:

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MariaDB FoundationPercona Enterprise-class service VIVIDX monitoring Webyog monitoring and management springboksql MySQL all-in-one machine http://www.springboksql.com/openquery service WO Fun database integration and monitoring and service GEP

Download CMake (MySQL compilation tool)Http://www.cmake.org/files/v2.8/cmake-2.8.8.tar.gzDownload MySQLHttp://mysql.mirror.kangaroot.net/Downloads/MySQL-5.5/mysql-5.5.25.tar.gz Installing CMakeCd/usr/local/srcTar zxvf cmake-2.8.8.tar.gzCD cmake-2

1. To connect to the MySQL database, you must first download the MySQL connection. net file,File is http://download.csdn.net/detail/xiaoliu123586/91455792, unzip the Mysql-connector-net-6.6.6-noinstall.zip file just downloaded, there are several

Preparation: Install "MSQL-ODBC driver"I. Configuring the data source1, Win7, open the Control Panel-system and security-management tools, click "Data Source (ODBC)".Open the data source (ODBC) and click the "Add" button on the User DSN tab to bring

MySQL server parameters are many, if you want to see the specific meaning of a parameter, you can use mysqld--verbose--help | GrepThe parameters in the InnoDB storage engine start with InnoDB:Innodb_buffer_pool_size:This parameter defines the

Recovery Level parameter Description:1 (srv_force_ignore_corrupt): Ignores the corrupt page that is checked.2 (Srv_force_no_background): Prevents the main thread from running, as the main thread needs to perform full purge operations, which can

What is an index: when you look up your name in a dictionary, you have two ways. The first to first page of the page, the second, through pinyin, strokes, and other search. Then the second way is to look through the index. So the database is doing

found that this version of the group from the other system to show the list of Chinese characters (not measured in Linux), so simply change it yourself seahub\thirdpart\seaserv\service.py # groupdef get_group (group_id):     #group_id_int  = int

1. Based on the maintenance of the angle, although latin1 is not a problem, but still try to switch to UTF8 or GB series2. When garbled:SHOW VARIABLES like ' character% 'SHOW VARIABLES like ' collation_% ';Set character_set_xxx = UTF8Modify the

MySQL master-Slave synchronization processThe following is from the old boy education1. Execute start slave on slave server and turn on master-slave copy switch.2. At this point, the IO thread of the slave server connects to the master server by

Without the tools of hash joins and parallel, MYSQL is destined not to be a suitable data warehousing tool.Whether it is MyISAM or InnoDB, when dealing with a complex SQL query, it is not possible to perform multi-core CPU performance.Only one CPU

Because of some bad reasons, most of the blog content will only send notes. This blog is only on my.oschina.net, do not make any commercial use!!MySQL stored procedure: Defines a set of SQL statements that are grouped together in a database and

MySQL multi-instance compilation installation note# wget-c Http://cdn.mysql.com/Downloads/MySQL-5.6/mysql-5.6.26.tar.gz# CMake. -dcmake_install_prefix=/usr/local/mysql-dmysql_user=mysql# Make && make installThe user in each instance is independent

1. Check whether the installation of Mysql,grep-i indicates that the case is ignored when matching#rpm-qa |grep-i MySQLMysql-libs-xxxx indicates that a MySQL library file has been installed#rpm-E mysql-libs.xxx--nodeps to uninstall first, or

      mainly summarizes the basic implementation of MySQL user management, including MySQL login, add users, delete users, assign permissions to users, remove a user's permissions, change passwords, view permissions and other basic operations, All