Oracle Database 11g R2 Installation


We learned  step by step Oracle Enterprise Linux 5 installation on After that we learned kernel parameters on OEL5.Now it’s time to create database through the installation of Oracle 11gR2 . In this article, I will write about step by step installation of Oracle database 11gR2. Unless otherwise stated, with the following procedures will have created the os user “oracle”.

1. Copy two zip files downloaded from to server directory which owner of directory is “oracle” user. You can copy files from windows to linux with WinSCP program. Login to linux as “oracle” and unzip two files.

$ unzip

$ unzip

2. Change directory to “database” directory where you extracted zip files. And run the script  “runInstaller” to setup installation.

$ cd /installation/database/

$ ./runInstaller

3. Uncheck “ı wish to receive security updates via My Oracle Support” and click Next

4. You will see a warning message. Click Yes to continue.

5. Choose “Create and configure a database” option.

6. Choose “Server Class” option and let’s continue.

7. Choosw “Single instance database installation” option.

8. Choose “Advanced install” option

9. If you choose “Typical” in 8th step then you will see following screen.

Write oracle base directory

Write software location seçilir. (it is oracle home directory)

Choose “File System” as Storage type

Write database file location directory

Choose “Enterprise Edititon” as database edititon

Choose OSDBA Group as “dba”

Write Global Database Name

And write an administrative password.

10. If you choose “Advanced” in 8th step then you will see following screen. Click Next to continue.

11. ChooseEnterprise Edition”  option. You can also choose database components with clicking “Select options”

12. Write oracle base and software location (oracle home) directories.

13. You can get a warning message. Click Yes to continue.

14. Write oracle inventory directory

15. Choose “General Purpose” option. Because our database will be OLTP.

16. Write global database name and SID. You can write same name for single instance installation.

17. Check “Enable Automatic Memory Management”

18. Choose database charecter set on second tab.

19. Click Next.

20. Choose File System and specify data file location.

21. Choose “Do not enable automated backups”.

22. Write a strong password for SYS,SYSTEM,SYSMAN andDBSNMP  users.

23. Choose our operating system group dba and click Next.

24. If everything is OK then we can start installation.

25. Click “Finish” to start installation

26. After software installation, database will be creating.

27. After installation we will see following screen. We must run sh scripts with root user.


Changing permissions of /u01/app/oraInventory.

Adding read,write permissions for group.

Removing read,write,execute permissions for world.

Changing groupname of /u01/app/oraInventory to oinstall.

The execution of the script is complete.



Running Oracle 11g script…

The following environment variables are set as:


ORACLE_HOME= /u01/app/oracle/product/11.2.0/db_1

Enter the full pathname of the local bin directory: [/usr/local/bin]:

Copying dbhome to /usr/local/bin …

Copying oraenv to /usr/local/bin …

Copying coraenv to /usr/local/bin …

Creating /etc/oratab file…

Entries will be added to the /etc/oratab file as needed by

Database Configuration Assistant when a database is created

Finished running generic part of script.

Now product-specific root actions will be performed.

Finished product-specific root actions.

28. After running scripts click OK button and Close button

29. It is finished. Now, we can connect to our database over sql*plus.

Talip Hakan ÖZTÜRK


Leave a Reply

Fill in your details below or click an icon to log in: Logo

You are commenting using your account. Log Out /  Change )

Facebook photo

You are commenting using your Facebook account. Log Out /  Change )

Connecting to %s