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Introduction to Database System

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

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

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Introduction to Database System
When you have finished entering information into a form

the template is written to the data file
the contents of the form are written to the data file
All of the listed here
the contents of the form can be printed

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Introduction to Database System
A _____ Contains fields of data about one entity.

File
Fields
None of these
Record
Document

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Introduction to Database System
In SQL, which command(s) is(are) used to redefine an index's future storage allocation

REDEFINE INDEX
DO INDEX
ALTER INDEX
MODIFY INDEX
None of these

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Introduction to Database System
Primitive operations common to all record management systems include

Sort
All of the listed here
Look-up
Print

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