Databases-ER-Model (GATE Computer Science): Questions 8 - 10 of 10

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Question number: 8

» Databases » ER-Model

MCQ▾

Question

elimination of data redundancy?

Choices

Choice (4) Response

a.

elimination of data redundancy?

b.

Ability to associate related data

c.

Increased security

d.

All a. , b. and c. are correct

Question number: 9

» Databases » ER-Model

MCQ▾

Question

E-R diagram can represent the overall ________structure Of a database graphically

Choices

Choice (4) Response

a.

Logical structure

b.

Strucuture

c.

Physical structure

d.

Question does not provide sufficient data or is vague

Question number: 10

» Databases » ER-Model

MCQ▾

Question

ER model is used in which phase

Choices

Choice (4) Response

a.

Conceptual data base

b.

Schema refinement

c.

physical refinement

d.

None of the above

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