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Oracle Quiz

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Oracle Quiz

This Online Oracle quiz test check the understanding on various topics on Oracle sql like Delete ,truncate, constraints, drop ,select,insert, Joins, outer join, Natural join ,indexes , profiles,Dictionary views, many more

The below test is randomized Oracle Quiz and select 15 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 15 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.

1. What is another name for a simple join or an inner join?

Question 1 of 15

2. You create the emp table with the following command:

CREATE TABLE emp
(emp_no NUMBER(8)
CONSTRAINT emp-no-pk PRIMARY KEY,
emp_name NUMBER(8)
CONSTRAINT emp-name-nk NOT NULL);
Which index or indexes are created for the emp table?

Question 2 of 15

3. What is NOT aggregate functions?

Question 3 of 15

4. Select the constraint used to validate that values in the given column meet the specific criteria?

Question 4 of 15

5. What are the purposes of the SQLCODE and SQLERRM functions?

Question 5 of 15

6. What is the purpose of a referential integrity constraint?

Question 6 of 15

7. Which data dictionary view contains the definition of a view?

Question 7 of 15

8. Which constraint can be defined only at the column level?

Question 8 of 15

9. For which two constraints does the Oracle Server implicitly create a unique index?

Question 9 of 15

10. Which SQL statement defines a FOREIGN KEY constraint on the DEPTNO column of the EMP table?

Question 10 of 15

11. What is the purpose of the SUBSTR string function?

Question 11 of 15

12. What is the purpose of the USER_ set of data dictionary views?

Question 12 of 15

13. Which statement about a self join is true?

Question 13 of 15

14. Which ALTER statement would you use to add a primary key constraint on the emp_id column of the emp table?

Question 14 of 15

15. Which statement explicitly names a constraint?

Question 15 of 15


 

I hope you like this Oracle MCQ 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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https://en.wikipedia.org/wiki/Oracle_Database

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