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

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

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

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

4. A _______ stores data in an organized form.

5. The marks record prepared by a class teacher is also an example of a table.

6. It is a collection of data elements organized in shape of rows and columns:

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

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

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

10. In ERD, relationships are symbolically represented by:

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

12. Flat file database usually store data as:

13. Several data records make up a:

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

15. (5.6, 3.14, 554.9) are the examples of the data types called:

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

17. (145, -35, 74586) are the examples of the data types called:

18. A single entry in a table is called:

19. String data type can store:

20. In database, relationships make use of: