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

1. (5.6, 3.14, 554.9) are the examples of the data types called:

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

3. (1,0) are the example of the data types called:

4. It is the smallest component in a database:

5. Several data records make up a:

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

7. A single entry in a table is called:

8. The data types which holds only whole numbers is called:

9. In ERD, relationships are symbolically represented by:

10. (01-01-2020 11:30 ) are the example of the data types called:

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

12. The Components of ERD include:

13. Usually a third entity known as "junction table" is used to create the:

14. (145, -35, 74586) are the examples of the data types called:

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

16. Several data tables make up a:

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

18. Data Redundancy means:

19. Flat file database usually store data as:

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

21. Floating point data type holds:

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

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

24. In database, relationships make use of:

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

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

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

28. String data type can store:

29. Multiple fields make up a:

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

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

32. The shape that is used to represent an attribute in an ERD is:

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

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

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

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

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

38. Tick the correct match:

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

40. A _______ stores data in an organized form.

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

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