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Introduction to Database System

Introduction to Database System
1:1, 1:N and N:M relationships are also known as HAS-A relationships.

True
False

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Introduction to Database System
Properties that describe the characteristics of entities are called:

attributes.
entities.
identifiers.
relationships.

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Introduction to Database System
If the record management system allows you to edit values before they are recorded on disk, you can

All of the listed here
change the name of a field
correct spelling changes before they are recorded
change the width of a field

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Introduction to Database System
Versatile report generators can provide

Calculations
None of these
All of these
Columnar totals
Subtotals

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Introduction to Database System
In a one-to-many relationship, the entity that is on the one side of the relationship is called a(n) ________ entity.

child
instance
subtype
parent

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Introduction to Database System
An identifier determines the type of relationship that an entity has.

True
False

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