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oracle dba quiz

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I am presenting here the Oracle DBA quiz. I hope you like it

oracle dba quiz

This Oracle DBA online test check the understanding on various topics like RMAN, Oracle Structures,Backup & recovery , Oracle Memory structure, Background processes, Dictionary views , alert logs ,oracle tablespace ,indexes , profiles and many more

The below test is randomized Oracle DBA quiz and select 40 questions from the set of many questions,so each time you try to attempt it, you will get different questions in different order and option would also be in different order, So it will be fun practicing with this tool. You can try as many times as you want till you feel comfortable about it

Instructions for online test

1.This quiz consists of 40 questions .It is recommended to complete the test in 60 min
2. It consists both single choice and more than  one choice questions to test your knowledge
3. You can press the submit button at the end of your test and get the final score
4.You will also get the know the correct choice after you finished the test.

1. Which of the following operations do not require Oracle to store information in an undo segment as part of the transaction?

Question 1 of 40

2. You are trying to find the ALERT file on a host machine for a database (11g and below) you have never administered before. Which of the following initialization parameters is used to identify the location of the ALERT file?

Question 2 of 40

3. A disk crashes that contains the only copies of all four of your online redo log files. How would you alter your Oracle database to prevent this from causing much damage in the future?

Question 3 of 40

4. User JOHN has create any table privilege with administrative abilities on that privilege. Which of the following statements show how to revoke the administrative component from JOHN without limiting her overall ability to create tables?

Question 4 of 40

5. You are identifying dictionary objects in the Oracle database. Which of the following is a view in the data dictionary?

Question 5 of 40

6. You attempt to issue the alter tablespace rename datafile command in the Oracle database. Which of the following choices indicates a step that must take place after this command is issued?

Question 6 of 40

7. You are analyzing the components of the redo log mechanisms in your Oracle database. Which of the following purposes does the CKPT process serve?

Question 7 of 40

8. You want to perform some maintenance and You issue the shutdown command at 9 p.m. on a Saturday. One hours later, the database is still in the process of shutting down. Which of the following options did you most likely use in order to shut down the database?

Question 8 of 40

9. A organization is taking online backups of the database, with the database operating in ARCHIVELOG mode. Due to a media failure they lost the SYSTEM tablespace data files. What must they do to recover the data files?

Question 9 of 40

10. You are implementing control file multiplexing. Which of the following choices identifies how Oracle knows the locations of the control files it is supposed to maintain?

Question 10 of 40

11. You are attempting to clear an unarchived redo log file. In order to manually enact a log switch, which of the following statements is appropriate?

Question 11 of 40

12. You are working in an organization which is situated in many countries. You maintain databases in multiple countries in multiple languages. To determine the date conventions for a database in a particular country, you might use which of the following database views?

Question 12 of 40

13. You are adding redo logs to the Oracle database. Creating a new redo log adds information to which of the following Oracle resources?

Question 13 of 40

14. Records from the data dictionary information are stored in which of the following database memory areas?

Question 14 of 40

15. To allocate another role to a user, which command is most appropriate?

Question 15 of 40

16. You are using locally managed tablespaces in Oracle. Which of the following choices best describes the way Oracle implements this feature in the database?

Question 16 of 40

17. Which one of the following RMAN commands is equivalent to the SQL statement ALTER DATABASE RENAME FILE ?

Question 17 of 40

18. Information in the buffer cache is saved back to disk in each of the following situations except one. In which situation does this not occur?

Question 18 of 40

19. You are analyzing how Oracle processes user statements. SQL and PL/SQL parse information is stored in which of the following database memory areas?

Question 19 of 40

20. Session information when dedicated servers are being used is stored where in the Oracle database?

Question 20 of 40

21. You are running Oracle in America in support of a financial analysis project for the government of Egypt. In order to produce reports that display money amounts as Egyptian pounds, rather than dollars, which of the following initialization parameters would be useful?

Question 21 of 40

22. The best choice for decreasing size requirements for tables that need only be accessed via the primary key in oracle is which of the following?

Question 22 of 40

23. You are considering using the MTS architecture on the Oracle database. Session information when shared servers are being used is stored where in the Oracle database?

Question 23 of 40

24. The user is selecting data from the Oracle database. Which of the following processes handles obtaining data from Oracle for that user?

Question 24 of 40

25. You need to remove a column from the database. Which of the following choices best identifies how to do so if your objective is to quickly execute the task without necessarily freeing up space in your tablespace?

Question 25 of 40

26. Which of the following clauses are available in alter user statements but not in create user statements?

Question 26 of 40

27. Which one of the following RMAN views must you query to view the code of an existing stored script in the recovery catalog?

Question 27 of 40

28. Which one of the following statements is true while taking tablespace backups using RMAN?

Question 28 of 40

29. Which one of the following statements is incorrect with respect to RMAN's CROSSCHECK command?

Question 29 of 40

30. Which of the following is the init.ora parameter that indicates the size of each buffer in the buffer cache?

Question 30 of 40

31. When we issue the commit statement in the session, which of the following things will not occur?

Question 31 of 40

32. During regular database operation, which background process will take smaller blocks of free space in a dictionary-managed tablespace and move things around to make bigger pieces of free space?

Question 32 of 40

33. You want to find out the names and locations of all control files in your database. Which two of the following performance views would you query?

Question 33 of 40

34. Your Oracle EMP table contains many unique values in the FIRST_NAME column. You want to index that column to take advantage of this fact in query access. Which of the following indexes might you use?

Question 34 of 40

35. We are designing the physical database layout on your host machine. What is the relationship between tablespaces and datafiles in the Oracle database?

Question 35 of 40

36. You are about to drop a tablespace. Which of the following statements can be used for dropping tablespaces that contain parent tables in foreign key relationships?

Question 36 of 40

37. You are processing an update statement. At what point in SQL statement processing is the data change actually made to block buffers?

Question 37 of 40

38. You are attempting to locate your control files on an Oracle database called TEST. In which of the following files might you look for this information?

Question 38 of 40

39. Which Oracle background process is responsible for providing information about the instance name associated with the service handlers and services to the listener?

Question 39 of 40

40. Which of the following clauses in a create user statement restricts the number of tables a user can add to a tablespace?

Question 40 of 40


 

I hope you like this Oracle DBA online quiz and it helps in your examination preparation. Best of Luck for the Oracle certification Examination. Please do provide feedback on it. We will also be adding more quizzes and questions in future.

Happy Learning!!!!

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