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Introduction to Database System

Introduction to Database System
A subtype entity is a special case of another entity called a supertype entity.

True
False

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Introduction to Database System
Entity instances are associated by relationship classes.

True
False

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Introduction to Database System
Long-range planning report produced in an MIS are primarily designed for

None of these
top management
middle management
lower management
All of these

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Introduction to Database System
Row is synonymous with the term:

field.
relation.
record.
column.

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Introduction to Database System
A relation has cells that hold multi-value entries.

False
True

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Introduction to Database System
Given the functional dependency R → (S,T) , then it is also true that R → S.

True
False

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