Computer Science Unit 3 – Database Management MCQ Question Answers for Various Entrance Exams

 

1. Queries are commands that are used to define the structure and modify the data in a table.(T/F)
a.
b.

2. The term "SQL" stands for
a.
b.
c.
d.

3. We can ______ data in table.
a.
b.
c.
d.

4. Select “salary” from emp;
a.
b.
c.
d.

5. Which one of the following commands is used to delete the existing row in a table?
a.
b.
c.
d.

6. A database is an organized collection of _______________.
a.
b.
c.
d.

7. Pickling refers to
a.
b.
c.
d.

8. Which of the following is not the advantage of database?
a.
b.
c.
d.

9. All the values in ________ are of same type.
a.
b.
c.
d.

10. A Database Management System is a type of _________software.
a.
b.
c.
d.

11. ________ are the basic building blocks of a database.
a.
b.
c.
d.

12. Command to increase the salary of all employees by 15000.(table name emp and column name sal)
a.
b.
c.
d.

13. Which one of the following is a type of Data Manipulation Command?
a.
b.
c.
d.

14. Duplicate values can be entered in primary key.(T/F)
a.
b.

15. Relationship can be created between
a.
b.
c.
d.

16. A database can have only one table.(T/F)
a.
b.

17. A record in table is also known as Attribute.(T/F)
a.
b.

18. _______ is the most common DML command.
a.
b.
c.
d.

19. In a table we can have only ______ primary key.
a.
b.
c.
d.

20. Which data type will be appropriate to store information as Salary, Fees, Price etc
a.
b.
c.
d.


 


 
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