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Introduction to Database System

Introduction to Database System
All instances of an entity class have the same attributes.

False
True

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Introduction to Database System
What is the abbreviation used for a software package that permits the users to create, retrieve and maintain records in a database?

EMMS
DASD
DBMS
FMS
None of these

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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
Data security threats include

privacy invasion
fraudulent manipulation of data
all of the listed here
hardware failure

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Introduction to Database System
The following are components of a database except ________ .

metadata
reports
indexes
user data

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Introduction to Database System
A database design may be based on existing data.

False
True

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