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Of the following normal forms, is mostly of theoretical interest.


A) 1NF
B) 3NF
C) BCNF
D) DKNF

E) C) and D)
F) B) and C)

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A table is in BCNF if every determinant in the table is a candidate key.

A) True
B) False

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It is possible for a table in 2NF to exhibit transitive dependency, where the primary key may rely on one or more nonprime attributes to functionally determine other nonprime attributes.

A) True
B) False

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Since a partial dependency can exist only if a table's primary key is composed of several attributes, if a table in 1NF has a single-attribute primary key, then the table is automatically in 2NF.

A) True
B) False

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Explain how database designers design and normalize databases.

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First, an ERD is created through an iter...

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The conflicts between design efficiency, information requirements, and performance are often resolved through_____.


A) compromises that include normalization
B) conversion from 2NF to 3NF
C) compromises that include denormalization
D) conversion from 3NF to 4NF

E) A) and C)
F) C) and D)

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Normalization works through a series of stages called normal forms. For most purposes in business database design, stages are as high as you need to go in the normalization process.


A) two
B) three
C) four
D) five

E) C) and D)
F) B) and D)

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Normalization represents a micro view of the entities within the ERD.

A) True
B) False

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If a table has multiple candidate keys and one of those candidate keys is a composite key, the table can have based on this composite candidate key even when the primary key chosen is a single attribute.


A) Boyce-Codd normal forms
B) redundancies
C) time-variances
D) partial dependencies

E) C) and D)
F) B) and D)

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A table where every determinant is a candidate key is said to be in .


A) BCNF
B) 2NF
C) 1NF
D) 4NF

E) A) and B)
F) C) and D)

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