INTRODUCTION TO DATABASE SYSTEM QUIZ

Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:

A →

(B,C) →

A → (B,C).

A →

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An on-line commercial site such as Amazon.com is an example of a(n) ________ .

e-commerce database application

data mining database application

multiuser database application

single-user database application

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Which of the following refers to an entity in which the identifier of one entity includes the identifier of another entity?

Strong entity

ID-independent entity

ID-dependent entity

Weak entity

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If attribute A determines both attributes B and C, then it is also true that:

C →

A →

B →

(B,C) →

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The following are functions of a DBMS except ________ .

processing data

creating and processing forms

creating databases

administrating databases

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Microsoft Access is an enterprise-class database product.

False

True

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Embedded pointer provide

an inverted index

a secondary access path

None of these

a physical record key

All of these

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In SQL, which command is used to add new rows to a table?

APPEND

ADD ROW

INSERT

ALTER TABLE

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Which of the following is a group of one or more attributes that uniquely identifies a row?

Relation

Key

Determinant

Tuple

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If you want your database to include methods, you should use a _____ database.

Object-Oriented

Hierarchical

Distributed

Network

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