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Introduction to Database System

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

True
False

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Introduction to Database System
The different classes of relations created by the technique for preventing modification anomalies are called:

referential integrity constraints.
normal forms.
None of these
functional dependencies.

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Introduction to Database System
In which of the following can many entity instances of one type be related to many entity instances of another type?

Many-to-Many Relationship
Composite Relationship
One-to-Many Relationship
One-to-One Relationship

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Introduction to Database System
Data items grouped together for storage purposes are called a

record
list
string
None of these
title

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Introduction to Database System
The data-base environment has all of the following components except:

separate files
data-base administrator
users
data base
None of these

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Introduction to Database System
A relation is in this form if it is in BCNF and has no multivalued dependencies:

second normal form.
fourth normal form.
domain/key normal form.
third normal form.

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