innodb database

In this tutorial, we will learn how to install and configure the Percona Server in Centos 7. The Percona Server is an open-source MySQL and MariaDB alternative, especially the performance improvement of the InnoDB database engine, let more people

MySQL's disadvantage relative to PostgreSQL: Mysql PostgreSQL The most important engine InnoDB is very early in the control of Oracle Corporation. Currently, the entire MySQL database is controlled by Oracle.

There are many PHP integrated development environments, such as XAMPP, Appserv ... Just one click to install the PHP environment to build. But this kind of installation method is not flexible, the free combination of software is inconvenient, but

DROP TABLE IF EXISTS [Temp_table_name];Create temporary table [Temp_table_name] Select Col1,col2,... from [table_name];ALTER TABLE [Temp_table_name] Add unique idx_col1 (col1);Through the above operation, the warning problem occurs many times.

Pay special attention to the false concurrency of the next mysqlslap, because the pressure does not waste some time.The main point is that the concurrency of the –concurrency parameter is thread concurrency, at the beginning again?? Luo?/p> of the

Operating system: Windows 2003 Server SP2 IIS6.0 Required Software: 3 Fcgisetup_1.5_x86_rtw Mysql-essential-5.1.50-win32 Php-5.3.3-win32-vc9-x86 Download your own I. Installation of FASTCGI Double-click to run Fcgisetup_1.5_x86_rtw.msi for

A few days ago, the start of MySQL, suddenly reported 1067 system errors, dead and alive can not start.No matter 3,728, reload, empty the registry, restart, still can't start.Always in the configuration after the installation where the last step to

MySQL Download address: http://dev.mysql.com/downloads/mysql/ MySQL Database installation steps: 1, first double-click the MySQL installation file, the installation of the Database Wizard interface, click "Next" continue to install, as shown in

Basedir = Path Use the given directory as the root directory (installation directory). Character-sets-dir = Path Gives the directory where the character set is stored. DataDir = Path Reads the database file from

The original database did not have the InnoDB engine installed, today dynamically increased him, found InnoDB load, error plugin ' InnoDB ' registration as a STORAGE ENGINE, from the detailed log found in the creation of File creation failed. The

We all know that MySQL is a medium and small relational database management system, very practical, for us to learn a lot of technology are helpful, I installed a few days ago, SQL Server 2008 and Oracle 10g database, but also with JDBC to connect

1. Install Apache A) Double click on the file Apach_2.2.8_win32-x86-no_ssl.msi to eject the Welcome interface. A single Next button to enter the License Agreement (License agreement) interface. b The user needs to agree to the terms in the

This article discusses the installation of MySQL5 under WINDOWS2003, please note Download MySQL installation files, download the address: Click here to download MySQL5.5.0Open the downloaded MySQL installation file mysql-5.0.27-win32.zip,

The following is the MySQL installation process, with the executable file installed, detailed description of a bit! 1. Open the download MySQL installation file mysql-5.0.27-win32.zip, double-click decompression , run "setup.exe" 2.mysql Setup

Later in doing WordPress, the original did not know that WordPress used the InnoDB data engine, so in the original database built a database, the beginning did not find the problem, installation, import SQL, no problem, then did not think much.

Prepare the software first: Apache Official Download Address:apache_2.0.55-win32-x86-no_ssl.msi, more versions here ; PHP Official Download Address:php-5.0.5-win32.zip, more mirror download address , more versions to download ; MySQL official

DROP TABLE IF EXISTS [Temp_table_name]; Create temporary table [Temp_table_name] Select Col1,col2,... from [table_name]; ALTER TABLE [Temp_table_name] Add unique idx_col1 (col1); Through the above operation, the warning problem occurs many times.

1. Cardinality simply, the number of unique values of your indexed columns, if the composite index is the only number of combinations. 2. This value will be used as a basis for the MySQL optimizer to determine the statement execution plan. If

After the MySQL installation is successful, there are several default configuration templates, which are listed below:MY-HUGE.CNF: for high-end products server, including 1 to 2GB RAM, mainly running MySQLMy-innodb-heavy-4g.ini: for installation

The company's MySQL architecture has recently been upgraded, from the original one of the main more from the Drbd+heartbeat double master from, just have a new E-commerce site project will be online, with the Drbd+heartbeat dual-master one from,