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

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

2. It is the smallest component in a database:

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

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

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

6. Several data tables make up a:

7. This shape is used to define an entity in ERD.

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

9. A field that stores the names of students should be defined as:

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

11. A single entry in a table is called:

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

13. Flat file database usually store data as:

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

15. (01-01-2020 11:30 ) are the example of the data types called:

16. String data type can store:

17. (5.6, 3.14, 554.9) are the examples of the data types called:

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

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

20. Multiple fields make up a: