Computer Basic Concepts and Terminology of Databases Test Online

Important Basics Concepts and Terminology of Databases Question and Answer

Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
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Basics Concepts and Terminology of Databases Practice Test Online With Explanation

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1. Which constraint ensures that a column cannot have NULL values?

2. Which SQL clause is used to limit the number of records returned?

3. Which one is not an SQL data type?

4. What is an attribute in a database?

5. Which is the correct order of SQL execution?

6. What is data integrity in databases?

7. Which SQL command is used to remove a table completely?

8. Which SQL command is used to change existing records?

9. What does SQL stand for?

10. Which command is used to retrieve data from a database?

11. Which of the following is not a type of DBMS?

12. Which of the following defines rules for data in a table?

13. What is the purpose of normalization?

14. What is the full form of RDBMS?

15. Which of the following is used to store and manage data in a structured format?

16. What does the term schema refer to in databases?

17. What does DBMS stand for?

18. What is data redundancy?

19. Which SQL statement is used to create a new database?

20. What is a primary key?

21. Which SQL command is used to remove duplicate rows from results?

22. Which of the following is a popular database management system (DBMS)?

23. What is a view in SQL?

24. What is a database index used for?

25. Which keyword is used to define a new table in SQL?


 

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