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

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

2. In ERD, relationships are symbolically represented by:

3. A key that allows only unique entries in a field is called:

4. In database, relationships make use of:

5. A contact list is one of the simplest example of a:

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

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

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

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

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

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

12. A single entry in a table is called:

13. Floating point data type holds:

14. The relationship that matches one record of an entity with only one record of another entity is called:

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

16. Data Redundancy means:

17. Several data tables make up a:

18. Multiple fields make up a:

19. (1,0) are the example of the data types called:

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