DBMS-Enhanced Entity-Relationship (EER) Model - Practice Questions

Question 1

The participation constraint can be total jor partial.

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Question 2

Specialisation is a

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Question 3

The top-down database design approach starts at the fundamental level of abstractions.

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Question 4

The inside-out database design approach uses both the bottom-up and top-down approach instead of following any particular approach.

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Question 5

The conceptual database design is the process of

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Question 6

Generalization is the process of identifying some common characterstics of a collection of entity sets and creating a new entity set that contains entities processing these common characterstics.

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Question 7

The U-shaped symbols in ERR model indicates that the supertype is a subset of the subtype.

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Question 8

Maintenance is an extremely time-consuming and expensive phase of the software process.

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Question 9

In case of supertype, objects in one set are grouped or subdivided into one or more classes n many systems.

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Question 10

Frequent software changes, without change in specifications, is an indication of a good design

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