MySQL

1. configuration file sql.config.phpPHP $cfg _dbhost // $cfg _dbuser// $cfg _dbpwd/ / $cfg _dbname // ?>2. Backup program db_backup.phpphp Date_default_timezone_set (' Asia/shanghai '); require_once((dirname(__file__).‘

How MySQL avoids using the swap partition of Linux to improve read and write performanceLinux has a lot of good memory, IO scheduling mechanism, but it does not apply to all scenarios. One of the headaches for DBAs is that it doesn't have to be that

#!/bin/bash# name:bakmysql.sh# a shellscript for Auto DB backup and Delete old backup# backup address Backupdir=/home/mysqlbac kup# backup file suffix time time=_ ' date +%y_%m_%d_%h_%m_%s ' #需要备份的数据库名称db_name =test#mysql user name

The following installation instructions are from http://www.2cto.com/database/201407/316681.html win7+vs2010 source compiled MySQL, At the end of this article, we will explain some problems in compiling with vs2008 and the source code

The weird sync problem with MySQLRecently encountered a strange MySQL synchronization problem, after multi-analysis and location found incredibly due to backup caused, very wonderful, hereby record the whole problem analysis and positioning

#!/bin/bash#数据库配置信息#db_user = root#db_password = Wdmima#db_host = localhost#备份目录Backup_dir =/root/database/#获取当前时间Timestr = ' Date +%y%m%d '#mysql command#MYSQL = "/usr/local/mysql/bin/mysql"#MYSQLDUMP =

Mysql Backup There are many ways, the most commonly used should be mysqldump , the database is exported to a SQL file, restore the source Db.sql on the cheerful execution. Small partner Happy cloth on a shell script, with Cron, happy to look at the

First, data backup　　1. Backup with mysqldump commandThe mysqldump command backs up the data in the database into a text file. The structure of the table and the data in the table are stored in the generated text file.The mysqldump command works very

Database version:[Email protected]mysqltest ~]# mysql-u root-p123456Welcome to the MySQL Monitor. Commands End With; or \g.Your MySQL Connection ID is 389805Server version:5.1.73-community MySQL Community Server (GPL)Copyright (c) and/or, Oracle,

The substring () method in Java has overloads of two methods, one with one parameter and one with two parameters.The first one is written as: substring (n);//start interception from the character of the index is n, the condition (n>=0,nThe second

MySQL Quick start 1. About MySQL Structured Query Language Structured Query Language SQL standard, managed and maintained by ANSI (American Standards Institute, Core member of ISO). Database vendors support This standard and are expanded.

Type name Display length Database type Java type VARCHAR L+n VARCHAR Java.lang.String CHAR N CHAR Java.lang.String Blob L+n Blob Java.lang.byte[]

Ubuntu install MySQL online and some operations1 , installation Mysql to use. 3 a command:Open Terminal, enter: Sudoapt-get install Mysql-serverRe-enter: Sudoapt-get install Mysql-clientRe-enter: sudo apt-get install Libmysqlclient-dev2 , specific

Username NOT NULL no default value/default insert does not insert username field no errorJuly 23, 2014 21:05 Encyclopedia 369 MySQL inserts data for a specified field in a data tableInserts data for the specified field in the data table, that

1. Enable the Apache service that comes with your systemOpen Terminal (terminal)#sudo Apachectl Start#sudo vi/etc/apache2/httpd.confModifyLoadModule Php5_module libexec/apache2/libphp5.soOpen PHP/***** If you visit 403****/allowoverride NoneOrder

Application Scenarios: 1, in the data table, to record when each piece of data was created, do not need the application to deliberately record, and the data database to obtain the current time automatically record creation time;2, in the

SELECT Id into @Id from giftcode WHERE Status = 1 and Giftid = #GiftId # ORDER by Id ASC LIMIT 1;UPDATE giftcode SET usedtime = Now (), Status = 2,accountid = #AccountId # WHERE Id = @Id;SELECT * from Giftcode WHERE Id = @Id;Title, this 3 sentence

Six major differences between Mysql storage engine InnoDB and Myisam This article mainly introduces the six major differences between Mysql storage engine InnoDB and Myisam. This article explains the differences in composition, transaction

Solve the Problem of garbled characters in mysql table Character Set gbk, column Character Set Latin1, and python query, mysqllatin1 Recently, I encountered an abnormal problem in the company. In mysql databases, the character sets of databases and

MySQL configuration optimization (1) -- slow log query(1) ERRLOG contains the related information when mysqd is started and stopped, and when the server encounters any serious error during running; you can use the -- log-error [= file_name] Option