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Introduction to Database System

Introduction to Database System
In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.

instance
child
subtype
parent

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Introduction to Database System
A primary key is a composite key that was selected to be the main identifier for the relation.

False
True

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Introduction to Database System
Which type of entity represents a logical generalization whose actual occurrence is represented by a second, associated entity?

Archetype entity
Instance entity
Supertype entity
Subtype entity

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Introduction to Database System
One approach to standardizing storing of data

structured programming
CODASYL specifications
None of these
MIS
All of these

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Introduction to Database System
In SQL, the CREATE VIEW command is used

to recompile view
to define a view of one or more tables or views
to create a trigger
to recompile a table

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Introduction to Database System
A form defines

both of the listed here
where data is placed on the screen
the width of each field
none of the listed here

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