Introduction to Database System – Online MCQs Test – Computer Science 9th

1. Several data tables make up a:

2. Floating point data type holds:

3. The data types which holds only whole numbers is called:

4. In a relational database, keys are used to create a:

5. It is the smallest component in a database:

6. (01-01-2020 11:30 ) are the example of the data types called:

7. Multiple fields make up a:

8. In ERD, relationships are symbolically represented by:

9. (145, -35, 74586) are the examples of the data types called:

10. This type of relationship is used to divide larger entities into smaller ones.

11. Data Redundancy means:

12. Which of the following Microsoft Office packages is a DBMS?

13. They are used to express how the information will be stored in database.

14. With the help of a junction table, many-to-many relationship is a combination of two:

15. A database is composed of rows and columns which are called:

16. (1,0) are the example of the data types called:

17. Flat file database usually store data as:

18. Usually a third entity known as “junction table” is used to create the:

19. The most common type of relationship used in relational databases is:

20. It is process of developing conceptual representation of data objects and their relations.