Functional Dependencies are the types of constraints that ar...

MCQ

Functional Dependencies are the types of constraints that are based on______

Key

Key revisited

Superset key

None of the mentioned

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What is the process called when redundancy is intentionally introduced into a database to improve query performance?

Denormalization.

Normalization.

Atomicity.

Integrity.

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The functional dependency can be tested easily on the materialized view, using the constraints ____________.

Primary key

Null

Unique

Both Null and Unique

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What are the desirable properties of a decomposition

Partition constraint

Dependency preservation

Redundancy

Security

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If a multivalued dependency holds and is not implied by the corresponding functional dependency, it usually arises from one of the following sources.

A many

A multivalued attribute of an entity set

A one

Both A many

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What is the primary goal of database normalization?

To reduce data redundancy and improve data integrity.

To speed up data retrieval operations.

To increase the complexity of database design.

To allow more concurrent users.

Discussion

Banking

Engineering

General

Medical

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category More Database Management System Topics

Miscellaneous or General

Relational Algebra

Database Systems

Data Models

The Relational Database Model

Entity Relationship (ER) Modeling

Advanced Data Modeling

Normalization

Structured Query Language (SQL)

Advanced SQL

Database Design

Transaction and Concurrency

Data Warehouses

Database Administration

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