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(mysql.info.gz) Windows upgrading

Info Catalog (mysql.info.gz) Windows troubleshooting (mysql.info.gz) Windows installation (mysql.info.gz) Windows vs Unix 
 
 2.3.15 Upgrading MySQL on Windows
 ---------------------------------
 
 This section lists some of the steps you should take when upgrading
 MySQL on Windows.
 
   1. You should always back up your current MySQL installation before
      performing an upgrade.   Backup.
 
   2. Download the latest Windows distribution of MySQL from
      `http://dev.mysql.com'.
 
   3. Before upgrading MySQL, you must stop the server.
 
      If the server is installed as a service, stop the service with the
      following command from the command prompt:
           C:\> NET STOP MySQL
 
      If you are not running the MySQL server as a service, use the
      following command to stop the server:
 
           C:\> C:\mysql\bin\mysqladmin -u root shutdown
 
   4. Exit the `WinMySQLAdmin' program if it is running.
 
   5. When upgrading to MySQL 4.1.5 or higher from a previous version,
      or when upgrading from a version of MySQL installed from a Zip
      archive to a version of MySQL installed with the MySQL
      Installation Wizard, you must manually remove the previous
      installation and MySQL service (if the server is installed as a
      service).
 
      To remove the MySQL service, use the following command:
           C:\> C:\mysql\bin\mysqld --remove
 
      *If you do not remove the existing service, the MySQL Installation
      Wizard may fail to properly install the new MySQL service.*
 
   6. If you are using the MySQL Installation Wizard, start the wizard as
      described in  Windows install wizard.
 
   7. If you are installing MySQL from a Zip archive, extract the
      archive. You may either overwrite your existing MySQL installation
      (usually located at `C:\mysql'), or install it into a different
      directory, such as `C:\mysql4'. Overwriting the existing
      installation is recommended.
 
   8. Restart the server. For example, use `NET START MySQL' if you run
      MySQL as a service, or invoke `mysqld' directly otherwise.
 
   9. Refer to  Upgrade for additional information on upgrading
      MySQL that is not specific to Windows.
 
  10. If you encounter errors, see  Windows troubleshooting.
Info Catalog (mysql.info.gz) Windows troubleshooting (mysql.info.gz) Windows installation (mysql.info.gz) Windows vs Unix
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