4. In activities, the possible inputs for the database are collected:

20. is not related to an entity:

15. In E-R diagram, an oval shape is used to represent a(n):

19. represents entity:

17. A technique for physically arranging the records of a file on secondary storage device is called

10. The relationship between the entities is represented graphically by using:

12. What indicates the connection between entites

3. is called the preliminary investigation of the required database:

I I. In hybrid distribution which kind of fragments are stored at only one site

6. Database development process involve mapping of conceptual data model into

I. Which of the following keys does not hold uniqueness property

8. tools in involved to the Data Analysis:

18. An index may be created on

In E-R diagram, a rectangular box is used to represent a(n):

9. The process to identify the data objects and the relationships between them is:

16. In E-R diagram, a diamond shape is used to represent a(n):

5. In activities, the cost factors are taken into consideration:

2. An entity related to itself in an ERD model refers to

is the ingredient of data modeling:

7. In ERD model, the relationship between two entities is represented by a