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Introduction to Database System

Introduction to Database System
Long-range planning report produced in an MIS are primarily designed for

All of these
top management
middle management
None of these
lower management

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Introduction to Database System
The distinguishable parts of a record are called

None of these
fields
files
data
database

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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.

child
instance
parent
subtype

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Introduction to Database System
An attribute that names or identifies entity instances is a(n):

relationship.
entity.
identifier.
attribute.

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Introduction to Database System
Which type of entity represents an actual occurrence of an associated generalized entity?

Subtype entity
Supertype entity
Archetype entity
Instance entity

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Introduction to Database System
A _____ means that one record in a particular record type may be related to more than one record of another record type.

One-to-one relationship
Many-to many relationship
Many-to-one relationship
One-to-many relationship

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