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Introduction to Database System

Introduction to Database System
Entities of a given type are grouped into a(n):

attribute.
database.
ER
entity class.

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

single-user database application
multiuser database application
data mining database application
e-commerce database application

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Introduction to Database System
Which of the following is a type of DBMS software?

query language
report writer
utilities
All of these
database manipulation language

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Introduction to Database System
An attribute describes the entity's characteristics.

True
False

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Introduction to Database System
An identifier determines the type of relationship that an entity has.

False
True

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Introduction to Database System
A large computer information system maintains many different computer files. Which amongst them is called a perpetual file?

Master file
Log file
Update file
Specialized file

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