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Oracle Database Quiz

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Oracle Database Quiz

This Online Oracle Database quiz test check the understanding on various topics on Oracle like Delete ,cache, Natural join ,indexes , profiles,Dictionary views,Oracle sql tuning, Oracle background processes, insert statement and many more to help you in test

The below test is randomized Oracle Quiz and select 20 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. I will keep updating the set of questions to make you feel competitive and comfortable with Oracle

Instructions for online test

1.This quiz consists of 20 questions .It is recommended to complete the test in 30 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.

This quiz is automatically created to help you get started. It will be created only once.

1. to determine if a new statement is a match for an existing statement already in the shared pool, oracle compares each statement

Question 1 of 20

2. Which action could result in less frequent checkpoints?

Question 2 of 20

3. histograms are useful because they allow the optimizer to have a better idea of how the data in an indexed columns is

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Question 3 of 20

4. Where can you find the non default parameters when the instance is started ?

Question 4 of 20

5. What are  two benefits of using locally managed tablespaces with segment space management set to auto?

Question 5 of 20

6. Which type of change to an application is most likely to improve performance of the library cache?

Question 6 of 20

7. finding a statement already cached in the library cache is referred as

Question 7 of 20

8. according to oracle, what should the data dictionary hit ratio be for a well tuned oltp system

Question 8 of 20

9. Which two are valid modes for a process requesting latches?

Question 9 of 20

10. What  can you use the values in the GETS and GETMISSES columns of V$ROWCACHE to determine the hit ratio for?

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Question 10 of 20

11. which dynamic data dictionary view contains information about the library cache hit ratio

Question 11 of 20

12. User John creates an index with this statement:

CREATE INDEX dept_indx On dept ( empno);
In which tablespace would the index be created?

Question 12 of 20

13. following an ANALYZE command, which of the following data dictionary views will contain statistics on the number of rows in a table

Question 13 of 20

14. which of the following factors would not make a column a good candidate for b-tree index

Question 14 of 20

15. Which type of table is the best candidate to be cached?

Question 15 of 20

16. What are two possible causes of lock contention?

Question 16 of 20

17. You pinned an object in the shared pool using the DBMS_ SHARED_ POOL package.Which command could you use to unpin this object, assuming you are in a SQL * Plus session?

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Question 17 of 20

18. Which three SQL statements can use the NOLOGGING mode to reduce redo operations?

Question 18 of 20

19. Which single dynamic views is the most useful for determining bugger cache performance when using multiple buffer pools?

Question 19 of 20

20. Which view would you query to monitor cumulative total waits for all events and all sessions?

Question 20 of 20


 

I hope you like this Oracle Database 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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