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Home » Oracle » Oracle Quiz

Oracle Quiz

June 5, 2021 by techgoeasy Leave a Comment

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.

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1. What function would you use to convert a numeric value into a VARCHAR2?

Question 1 of 15

2. A NATURAL JOIN is based on

Question 2 of 15

3. 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 3 of 15

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

Question 4 of 15

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

Question 5 of 15

6. You need to do a major update on TABLE A. You decided to disable the primary key constraint and check constraint on the table What happens when you try to enable the constraints after the update is completed

Question 6 of 15

7. What does the TRUNCATE statement do?

Question 7 of 15

8. Which of the following is a valid table name?

Question 8 of 15

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

Question 9 of 15

10. Select the command which is used for character by character substitution.

Question 10 of 15

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

Question 11 of 15

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

Question 12 of 15

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

Question 13 of 15

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

Question 14 of 15

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

Question 15 of 15

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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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