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Introduction to Database System

Introduction to Database System
In the DBM approach, application programs perform the

access control
all of the listed here
storage function
processing functions

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Introduction to Database System
An-owner-member set in the CODASYL specifications may have

All of the listed here
more than one member but only one occurrence per member
only one owner but many owner occurrences
only one member but many member occurrence

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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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Introduction to Database System
The purpose of a database is to help people stop using spreadsheets.

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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Introduction to Database System
If a calculation is embedded in a form

the result of the calculations are printed in report
the result of the calculations are stored with the form
all of the listed here
the calculations are stored with the form

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