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Introduction to Database System

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

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

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Introduction to Database System
A relation is considered a:

two-dimensional table.
three-dimensional table.
Column.
one-dimensional table.

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Introduction to Database System
A minimum cardinality is the minimum number of entity instances that may participate in a relationship instance.

True
False

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Introduction to Database System
What name is given to the collection of facts, items of information or data which are related in some way?

Information provider
Database
Information tree
Directory information

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

False
True

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Introduction to Database System
The only reason for the existence of relations is to store instances of functional dependencies.

False
True

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