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

1. Flat file database usually store data as:

2. In a relational database, keys are used to create a:

3. The Components of ERD include:

4. String data type can store:

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

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

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

8. A _______ stores data in an organized form.

9. (5.6, 3.14, 554.9) are the examples of the data types called:

10. In database, relationships make use of:

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

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

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

14. The basic limitation of a flat file database is that:

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

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

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

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

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

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