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MCQ

Q.

If a relation is in BCNF, then it is also in

A

1 NF

B

2 NF

C

3 NF

D

All of the mentioned

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Similar Questions

MCQ

1.

Which of the following has each related entity set has its own schema and there is an additional schema for the relationship set.

A

A many

B

A multivalued attribute of an entity set

C

A one

D

All of the mentioned

Discussion

MCQ

2.

Which normal form removes transitive dependencies?

A

1NF

B

2NF

C

3NF

D

BCNF

Discussion

MCQ

3.

Representations such as the in the dept year relation, with one column for each value of an attribute, are called _______ they are widely used in spreadsheets and reports and in data analysis tools.

A

Cross

B

Snapshot

C

Both Cross

D

All of the mentioned

Discussion

MCQ

4.

R (A,B,C,D) is a relation. Which of the following does not have a lossless join dependency preserving BCNF decomposition?

A

A

B

A

C

AB

D

A

Discussion

MCQ

5.

a)

A

2

B

7

C

10

D

12

Discussion

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