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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. What are two possible causes of lock contention?

Question 1 of 20

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

Question 2 of 20

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

Question 3 of 20

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

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

Question 6 of 20

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

Question 7 of 20

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

Question 8 of 20

9. Which action could result in less frequent checkpoints?

Question 9 of 20

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

Question 10 of 20

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

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

Question 13 of 20

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

Question 14 of 20

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

Question 15 of 20

16. Which three statements about rebuilding indexes are true?

Question 16 of 20

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

Question 17 of 20

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

Question 18 of 20

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

Question 19 of 20

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

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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