Illustration of MYSQL installation and data upgrade page 1/2

Skip this step if you are completely new to the installation.

Find the ragnarok database directory under your Mysql database directory, for example, install Mysql in
Under the D: \ mysql directory, find the ragnarok database directory under the D: \ mysql \ data \ directory.
Copy it to other places!
[Upgrade your ODBC-MySQL ODBC driver]
First open your control panel and find [add and delete programs] to delete the old MySQL ODBC driver.
Then install mydbc-3.51.11-1-win.exe.
[Delete the old MYSQL service on your computer]
If you have installed an earlier version, you need to see how to delete Mysql from your system.
When you detach the old MYSQL Database Service from your computer
First, stop MYSQL in the WINDOWS service.
Then go to the Add deletion program in the control panel to delete it.
However, you cannot completely delete the MYSQL service.
Then you need to clear your MYSQL service in the Registry
There are several places: (there should be two items. You can check them out)
1. Delete the HKEY_LOCAL_MACHINE \ SYSTEM \ ControlSet001 \ Services \ Eventlog \ Application \ MySQL directory.
2. Delete the HKEY_LOCAL_MACHINE \ SYSTEM \ ControlSet002 \ Services \ Eventlog \ Application \ MySQL directory.
3. Delete the HKEY_LOCAL_MACHINE \ SYSTEM \ CurrentControlSet \ Services \ Eventlog \ Application \ MySQL directory.
As shown in:
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After clearing,
Remember to delete the C: \ WINDOWS \ my. ini file.
Then restart the computer.
Go to your computer service and check it out.
Is the MYSQL service missing? Now, you can install the new MYSQL version!
[Download related software:]
Mysql 4.1.11-win32-For Windows (Mysql 4.1.11-win32.exe) -- Database Service
Download
Http://down.21sun.net/webtools/mysql-4.1.11-win32.zip
Connector/ODBC-MySQL ODBC driver (MyODBC-3.51.11-1-win.exe) -- Data Source
Download
Http://down.21sun.net/webtools/MyODBC-3.51.11-1-win.exe
MySQL Control Center (mysqlcc-0.9.4-win32.zip)-Administrative Tools
Download
Http://down.21sun.net/webtools/mysqlcc-0.9.4-win32.zip
[Mysql Server 4.1.11 installation tutorial]
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1. Run the MYSQL Server 4.1 installation package
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2. Click (Change ..) to select the installation path. We recommend that you do not install the C drive!
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3. I chose to install it in the D: \ Mysql \ directory, and then click OK to go to the next installation step.
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4. After selecting the installation path, click Next> to proceed to the Next step!
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5. Click Install to start installation.
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6. Check the installation progress!
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7. Select Skip Sign-Up and click Next> continue installation!
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8. Here we have installed it. After selecting Configure the MySQL Server now
Click Finish to configure Mysql.
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9. Go to the Mysql configuration page!
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10. Select Detailed Configuration and click Next> Next!
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11. Select Server Machine and click Next> continue!
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12. Select Multifunctional Database and click Next to continue!
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13. By default, this step allows you to choose the location where your database files are stored!
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14. Select Online Transaction Processing (OLTP) and click Next> continue!
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15. For example, continue Next>
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16. Select language support! The default value is Standard Character Set.
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17. Remember to select the Include Bin Directory In Windows Path option and continue
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18. For example, enter the password and continue Next>
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19. Click Execute to complete the configuration and start the MYSQL service!
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20. Click Finish to complete the installation of your Mysql!
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[Recover the backup of the cAthena Mysql database]
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Copy the ragnarok directory you just backed up to the directory of your Mysql database to complete the Mysql version upgrade.