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Introduction to Database System

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

File
Fields
None of these
Document
Record

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Introduction to Database System
The database administration function includes

database access planning
application programming
computer operations management
None of these
All of these

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Introduction to Database System
A report generator is used to

print files on paper
all of the listed here
update files
data entry

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Introduction to Database System
Every time attribute A appears, it is matched with the same value of attribute B, but not the same value of attribute C. Therefore, it is true that:

A → (B,C).
A →
(B,C) →
A →

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Introduction to Database System
Which type of entity has its relationship to another entity determined by an attribute in that other entity called a discriminator?

Instance entity
Subtype entity
Supertype entity
Archetype entity

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Introduction to Database System
Database applications are seldom intended for use by a single user.

True
False

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