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The degree of a relationship indicates the number of entities associated with a relationship.

A) True
B) False

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True

Which of the following statements about query by example (QBE) is not true?


A) QBE and SQL are the same languages and perform searches in the same manner.
B) It is easier to find information in a database by using SQL than it is by using QBE.
C) It is easier to find information in a database by using QBE than it is by using SQL.
D) In QBE, the user fills out a form to construct a description of the data desired.

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

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Which of the following statements about normalization is NOT true?


A) One of the goals of normalization is to eliminate redundant data elements.
B) Normalization is a methodology for organizing attributes into tables.
C) Normalization can help maximize data integrity.
D) All of these statements are true.

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

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In an entity-relationship (ER) diagram, _____ are pictured in rectangles, and _____ are described on the line between two entities.


A) entities; attributes
B) entities; relationships
C) attributes; entities
D) attributes; relationships

E) B) and C)
F) None of the above

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B

Typical key words used in a structured query language (SQL) search include all of the following except _____.


A) FROM
B) HOW
C) WHERE
D) SELECT

E) A) and B)
F) None of the above

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B

Entity-relationship (ER) diagrams consist of _____.


A) entities, business rules, and relationships
B) attributes, business rules, and relationships
C) entities, attributes, and relationships
D) entities, attributes, and data dictionaries

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

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