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

1. In database, relationships make use of:

2. In ERD, relationships are symbolically represented by:

3. The Components of ERD include:

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

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

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

7. (145, -35, 74586) are the examples of the data types called:

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

9. Multiple fields make up a:

10. String data type can store:

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

12. A key that defines a relationship between two entities is called:

13. This shape is used to define an entity in ERD.

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

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

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

17. Floating point data type holds:

18. It is the smallest component in a database:

19. (01-01-2020 11:30 ) are the example of the data types called:

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