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Home » Oracle » Oracle Database » Oracle Database Quiz

Oracle Database Quiz

May 18, 2020 by techgoeasy Leave a Comment

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.

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1. Which three statements about rebuilding indexes are true?

Question 1 of 20

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

Question 2 of 20

3. Which action could result in less frequent checkpoints?

Question 3 of 20

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

Question 4 of 20

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

Question 5 of 20

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

Question 6 of 20

7. What are two possible causes of lock contention?

Question 7 of 20

8. The cost- based optimizer can choose between a nested loops join and a sort merge join operation. All tables are analyzed and the OPTIMIZER_ MODE is set to FIRST_ ROWS. Which execution plan will be the result?

Question 8 of 20

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

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?

Question 10 of 20

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

Question 11 of 20

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

Question 12 of 20

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

Question 13 of 20

14. What is the main reason to create a reverse key index on a column?

Question 14 of 20

15. the process of preparing a statement for execution is called

Question 15 of 20

16. Which three actions will cause queries to place a tables blocks at the most- recently used end of the LRU list?

Question 16 of 20

17. the optimizer mode can be set at which of the following levels

Question 17 of 20

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

Question 18 of 20

19. in order for two statements to result in a cache hit, which of the following must be true

Question 19 of 20

20. which of the following types of indexes stores the indexed columns values associated row id as binary string

Question 20 of 20

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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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Filed Under: Oracle, Oracle Database Tagged With: Oracle performance tuning examination part 3

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