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

1. (145, -35, 74586) are the examples of the data types called:

2. In a database table of “Students”, the address of the student will be a:

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

4. The shape that is used to represent an attribute in an ERD is:

5. The Components of ERD include:

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

7. In a database table of “Students”, the particulars of a single student will be a:

8. Floating point data type holds:

9. A field that stores the names of students should be defined as:

10. It is the smallest component in a database:

11. String data type can store:

12. A database is composed of ______ which contain rows and columns.

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

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

15. Several data records make up a:

16. There are three most important components of data models, which are:

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

18. (1,0) are the example of the data types called:

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

20. Data Redundancy means: