critical operations?...

MCQ

critical operations?

Denormalization

Redundant optimization

Optimization

Realization

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MCQ

A relation is in 2NF if it is in 1NF and all its non-prime attributes are fully functionally dependent on which of the following?

Candidate key.

Any attribute.

Non-prime attribute.

Foreign key.

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MCQ

A relation is in 3NF if it is in 2NF and there is no transitive dependency involving which of the following?

Non-prime attributes on a candidate key.

Prime attributes on a non-prime attribute.

Only prime attributes.

Foreign keys.

Discussion

MCQ

A dependency exist between two columns when

Together they constitute a composite key for the table

Knowing the value in one column determines the value stored in another column

The table is in 3NF

Together they constitute a foreign key

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MCQ

Which of the following is a functional dependency?

Employee ID determines Employee Name.

Price determines Product Name.

Student Name determines Course ID.

City determines Zip Code.

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MCQ

The normal form which satisfies multivalued dependencies and which is in BCNF is

4 NF

3 NF

2 NF

All of the mentioned

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