MySQL

Sometimes when we manage the database we need to use the command to perform import and export operations, because this is stable and reliable, not easy to have garbled appearance. and the imported database size is unrestricted. MySQL Database

The solution is as follows: The code is as follows Copy Code #vi/etc/my.cnf Add the following coding settings in the appropriate place The code is as follows Copy Code

SQL UNION operatorThe UNION operator is used to merge the result sets of two or more SELECT statements. Note that the SELECT statement within the UNION must have the same number of columns. The column must also have a similar data type. Also, the

In the MySQL master-slave replication process or some of the number of cases where the master is never synchronized, this article will be a simple summary of the data master is not synchronized, please note that this article mainly from the database

When the computer started again, found that the MySQL service failed to start, using net start hint 1067 error, toss 2 hours can not be resolved, and then only by manually delete data files, log files, then start the service, and then import data to

Workaround: 1. Add the "binary" attribute to the field containing Chinese as a binary comparison, such as changing "name char (10)" to "name char" binary. 2. If you use the source code to compile MySQL, you can compile MySQL using

This is a good way to solve these problems with MySQL's native tools. Cases Total records: 1016126, average size of 46822 per line Let's say we're exporting and importing to a database named blog. Export: Mysqldump-u database user name-p

Indexing is the key to fast searching. The establishment of MySQL index is important for MySQL to run efficiently. 1. General Index The only task for a normal index (indexed by the keyword Key or index) is to speed access to the data. Therefore,

MySQL database table sqltableField Id,name,sex,emailAccess database table AccesstableId,name,sex,email?$connect = mysql_connect ("localhost", "" "," ");mysql_select_db ("MyDatabase");$sql = "SELECT * from Sqltable;$result = mysql_query

The recommended high-quality PHP code today is the mysql backup and recovery class. Online mysql backup and recovery are available on common PHP websites, the advantage of this is that you do not need to use phpmyadmin or the client tool for each

/** Created on 2010-4-25 ** To change the template for this generated file go* Window-Preferences-PHPeclips tutorial e-PHP-Code Templates*/$ Conn = mysql_connect ('localhost', 'root ','');Mysql_select_db ('member', $ conn );$ SQL = "select * from

$ Database = ''; // database tutorial name$ Options = array ('Hostname' => '', // IP address'Charset' => 'utf8', // encoding'Filename' => $ database. '. SQL', // file name'Username' => '','Password' =>'');Mysql_connect ($ options ['hostname'], $

$ Database = ''; // database name$ Options = array ('Hostname' => '', // IP address'Charset' => 'utf8', // encoding'Filename' => $ database. '. SQL', // file name'Username' => '','Password' =>'');Mysql_connect ($ options ['hostname'], $ options

Mysql_fetch_lengths is used to determine the length of mysql_fetch_array (), mysql_fetch_assoc (), mysql_fetch_object (), or mysql_fetch_row (). If the display succeeds, false is returned;Mysql_fetch_lengths syntax.Mysql_fetch_lengths

Source: CCU newsgroup | edit: Hunte | date:MySQL mysqldump is used for export. The basic usage is as follows:Shell> mysqldump [OPTIONS] database [tables]If you do not specify any tables, the entire database will be exported.Run mysqldump -- help to

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