Chapter 2. Installing and Upgrading MySQL

Table of Contents

2.1. General Installation Guidance
2.1.1. Operating Systems Supported by MySQL Community Server
2.1.2. Choosing Which MySQL Distribution to Install
2.1.3. How to Get MySQL
2.1.4. Verifying Package Integrity Using MD5 Checksums or GnuPG
2.1.5. Installation Layouts
2.1.6. Compiler-Specific Build Characteristics
2.2. Installing MySQL from Generic Binaries on Unix/Linux
2.3. Installing MySQL on Microsoft Windows
2.3.1. MySQL Installation Layout on Microsoft Windows
2.3.2. Choosing An Installation Package
2.3.3. Installing MySQL on Microsoft Windows Using the MSI Package
2.3.4. MySQL Server Instance Configuration Wizard
2.3.5. Installing MySQL from a Noinstall Zip Archive
2.3.6. Troubleshooting a MySQL Installation Under Windows
2.3.7. Upgrading MySQL on Windows
2.3.8. Windows Postinstallation Procedures
2.4. Installing MySQL on Mac OS X
2.4.1. General Notes on Installing MySQL on Mac OS X
2.4.2. Installing MySQL on Mac OS X Using Native Packages
2.4.3. Installing the MySQL Startup Item
2.4.4. Installing and Using the MySQL Preference Pane
2.4.5. Using the Bundled MySQL on Mac OS X Server
2.5. Installing MySQL on Linux
2.5.1. Installing MySQL from RPM Packages on Linux
2.5.2. Installing MySQL on Linux using Native Package Manager
2.6. Installing MySQL on Solaris and OpenSolaris
2.6.1. Installing MySQL on Solaris using a Solaris PKG
2.6.2. Installing MySQL on OpenSolaris using IPS
2.7. Installing MySQL on IBM AIX
2.7.1. General Notes on Installing MySQL on AIX
2.8. Installing MySQL on HP-UX
2.8.1. General Notes on Installing MySQL on HP-UX
2.8.2. Installing MySQL on HP-UX using DEPOT
2.9. Installing MySQL on FreeBSD
2.10. Installing MySQL on i5/OS
2.11. Installing MySQL from Source
2.11.1. MySQL Layout for Source Installation
2.11.2. Installing MySQL from a Standard Source Distribution
2.11.3. Installing MySQL from a Development Source Tree
2.11.4. MySQL Source-Configuration Options
2.11.5. Dealing with Problems Compiling MySQL
2.11.6. MySQL Configuration and Third-Party Tools
2.12. Postinstallation Setup and Testing
2.12.1. Unix Postinstallation Procedures
2.12.2. Securing the Initial MySQL Accounts
2.13. Upgrading or Downgrading MySQL
2.13.1. Upgrading MySQL
2.13.2. Downgrading MySQL
2.13.3. Checking Whether Tables or Indexes Must Be Rebuilt
2.13.4. Rebuilding or Repairing Tables or Indexes
2.13.5. Copying MySQL Databases to Another Machine
2.14. Environment Variables
2.15. Perl Installation Notes
2.15.1. Installing Perl on Unix
2.15.2. Installing ActiveState Perl on Windows
2.15.3. Problems Using the Perl DBI/DBD Interface

This chapter describes how to obtain and install MySQL. A summary of the procedure follows and later sections provide the details. If you plan to upgrade an existing version of MySQL to a newer version rather than install MySQL for the first time, see Section 2.13.1, “Upgrading MySQL”, for information about upgrade procedures and about issues that you should consider before upgrading.

If you are interested in migrating to MySQL from another database system, you may wish to read Section B.8, “MySQL 5.5 FAQ: Migration”, which contains answers to some common questions concerning migration issues.

  1. Determine whether MySQL runs and is supported on your platform.

    Please note that not all platforms are equally suitable for running MySQL, and that not all platforms on which MySQL is known to run are officially supported by Oracle Corporation:

  2. Choose which distribution to install.

    Several versions of MySQL are available, and most are available in several distribution formats. You can choose from pre-packaged distributions containing binary (precompiled) programs or source code. When in doubt, use a binary distribution. We also provide public access to our current source tree for those who want to see our most recent developments and help us test new code. To determine which version and type of distribution you should use, see Section 2.1.2, “Choosing Which MySQL Distribution to Install”.

  3. Download the distribution that you want to install.

    For instructions, see Section 2.1.3, “How to Get MySQL”. To verify the integrity of the distribution, use the instructions in Section 2.1.4, “Verifying Package Integrity Using MD5 Checksums or GnuPG.

  4. Install the distribution.

    To install MySQL from a binary distribution, use the instructions in Section 2.2, “Installing MySQL from Generic Binaries on Unix/Linux”.

    To install MySQL from a source distribution or from the current development source tree, use the instructions in Section 2.11, “Installing MySQL from Source”.

  5. Perform any necessary postinstallation setup.

    After installing MySQL, read Section 2.12, “Postinstallation Setup and Testing”. This section contains important information about making sure the MySQL server is working properly. It also describes how to secure the initial MySQL user accounts, which have no passwords until you assign passwords. The section applies whether you install MySQL using a binary or source distribution.

  6. If you want to run the MySQL benchmark scripts, Perl support for MySQL must be available. See Section 2.15, “Perl Installation Notes”.

Instructions for installing MySQL on different platforms and environments is available on a platform by platform basis:

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