Oracle Database Administration (DBA) Interview Questions (Technical)

Here are some of the Common Interview Questions for Oracle Database Administrator. As of now it contains 120 Questions. These questions are common for both Senior Oracle DBA or Junior DBA. I have divided the questions into 3 categories Technical Interview Questions, Unix Related questions asked to an Oracle Database Administrator (DBA) and Backup and Recovery Interview Questions commonly asked in Oracle DBA interview

1. What is an Oracle Instance?

2. What information is stored in Control File?

3. When you start an Oracle DB which file is accessed first?

4. What is the Job of SMON, PMON processes?

5. What is Instance Recovery?

6. What is written in Redo Log Files?

7. How do you control number of Datafiles one can have in an Oracle database?

8. How many Maximum Datafiles can there be in an Oracle Database?

9. What is a Tablespace?

10. What is the purpose of Redo Log files?

11. Which default Database roles are created when you create a Database?

12. What is a Checkpoint?

13. Which Process reads data from Datafiles?

14. Which Process writes data in Datafiles?

15. Can you make a Datafile auto extendible. If yes, how?

16. What is a Shared Pool?

17. What is kept in the Database Buffer Cache?

18. How many maximum Redo Logfiles one can have in a Database?

19. What is difference between PFile and SPFile?

20. What is PGA_AGGREGRATE_TARGET parameter?

Page1 2, 3

Oracle Technical Interview Questions for an Oracle DBA
Unix Related Questions for Oracle Database Administrator (DBA)
Backup and Recovery Common Interview Questions for a DBA

Home Backup & Recovery Questions Unix Questions, Contact Us

Oracle DBA Interview Questions compiled by Sami