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

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

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

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

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

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

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

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

8. A _______ stores data in an organized form.

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

10. Multiple fields make up a:

11. Flat file database usually store data as:

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

13. (01-01-2020 11:30 ) are the example of the data types called:

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

15. Several data tables make up a:

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

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

18. In database, relationships make use of:

19. Several data records make up a:

20. Floating point data type holds: