Oracle 11g Database Installation and uninstallation tutorials

Installation tutorials for oracle11g

• Unzip two zip files simultaneously, generate a database folder, go to the database folder, click Setup

• Remove the security update option and go directly to the next step

• Select Create and configure database, click Next

• Select the server class and click Next

• Select the single database installation and click Next

• Select Advanced Installation and click Next

• Click Next directly

• Select Enterprise Edition and click Next

• Select the path of the installation database, here I did not change, direct next

• Select General Purpose and click Next

• The database name, I'm writing here is Zhongfucheng, you can take whatever you want

• Select the character set interface in the above 4 boxes and select the 3rd button to find the UTF-8 in the character set

• Select "Create a database with Case scenario" by selecting the interface of the case scenario in the 4 boxes above.

• Uncheck "Enable email notification" and go directly to the next step

• Select File System Management, next

• Select "Do not automatically backup" and the next step

• Password, I entered the oracleadmin, direct next

• Oracleadmin is not compliant, but not tight, click "Yes" directly

• Finally click Finish .... After the installation of the system, such a page will eventually appear

Click password Management

• Locate the SYS and set the SYS password tochange_on_install
• Locate system, set the system password tomanager
• Find SH, set not locked account, password issh
• Find Scott, set not set account, password istiger

• Click OK and click "Yes".

• Finally click OK, complete the installation, under the services of Windows will be more Oracle Services

• Test, open cmd, input in cmdsqlpuls

• Enter user name Scott, password tiger, check the EMP table.

• If you have a query that shows the data, Oracle installation is successful!

• Finally, because Oracle services are very memory-intensive, we set up Oracle's two services to be manual and then reopen when we need to use the Oracle database!

Oracle Uninstall Tutorial

How can you completely uninstall Oracle with an Oracle-brought uninstaller that does not fundamentally offload Oracle, leaving a hidden danger for the next installation?
That is the direct registry cleanup, the steps are as follows:

1, start-up settings, Control Panel, management tools, services
Stop all Oracle Services.

2. Start-Up Program->oracle-oradb11g_home1->oracle installation Products--Universal Installer
Uninstall all Oracle products, but universal installer itself cannot be removed [if the second step fails, skip to step three, most of the second step is failed]

3. Run regedit, select Hkey_local_machine\software\oracle, and press Del to delete this entry.

4. Run regedit to delete all of the Oracle portals in these three locations below.
Hkey_local_machine\system\controlset001\services "Down" all Oracle Delete
Hkey_local_machine\system\controlset002\services "Down" all Oracle Delete
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Services "Down" all Oracle Delete

5. Run regedit,
Hkey_local_machine\system\currentcontrolset\services\eventlog\application "Down" All Oracle deletes,
Delete all Oracle portals.

6, start-to-set, control Panel, System--Advanced environment variables
Delete environment variables classpath and path for Oracle settings

7. Remove all Oracle-related groups and icons from the desktop, Startup group, program menu

8. Delete E:/oracledb Directory

9. Restart the computer to completely remove the Oracle directory

10. Delete the Oracle-related files, select the default directory where Oracle is located C:\Oracle, delete this entry
Directory and all subdirectories, and remove oralce files from the WINDOWS directory (typically C:\WINDOWS), and so on.

11, enter "Win.ini" in the Run box, carriage return. WIN. INI file if there is a [ORACLE] tag segment, delete the segment

12. "If necessary", delete all Oracle-related ODBC DSN

13. To the Event Viewer, delete the Oracle-related logs

Description
If there are cases where individual DLL files cannot be deleted, do not bother, restart, start a new installation,
When installing, select a new directory, then, after installation and restart, the old directory and files can be deleted

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Oracle 11g Database Installation and uninstallation tutorials