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

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

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

3. Flat file database usually store data as:

4. In ERD, relationships are symbolically represented by:

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

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

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

8. A single entry in a table is called:

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

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

11. (5.6, 3.14, 554.9) are the examples of the data types called:

12. A _______ stores data in an organized form.

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

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

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

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

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

18. In database, relationships make use of:

19. Floating point data type holds:

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