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19. represents entity:
5. In activities, the cost factors are taken into consideration:
17. A technique for physically arranging the records of a file on secondary storage device is called
is the ingredient of data modeling:
7. In ERD model, the relationship between two entities is represented by a
I. Which of the following keys does not hold uniqueness property
2. An entity related to itself in an ERD model refers to
16. In E-R diagram, a diamond shape is used to represent a(n):
10. The relationship between the entities is represented graphically by using:
I I. In hybrid distribution which kind of fragments are stored at only one site
18. An index may be created on
3. is called the preliminary investigation of the required database:
12. What indicates the connection between entites
15. In E-R diagram, an oval shape is used to represent a(n):
20. is not related to an entity:
4. In activities, the possible inputs for the database are collected:
6. Database development process involve mapping of conceptual data model into
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:
8. tools in involved to the Data Analysis:
