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Introduction to Database System

Introduction to Database System
A functional dependency is a relationship between or among attributes.

True
False

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

False
True

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Introduction to Database System
The database administration function includes

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

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Introduction to Database System
Versatile report generators can provide

Calculations
Columnar totals
None of these
Subtotals
All of these

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Introduction to Database System
In SQL, which command is used to changes data in a table?

BROWSE
UPDATE
INSERT
APPEND

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Introduction to Database System
Which of the following is NOT a basic element of all versions of the E-R model?

Relationships
Entities
Attributes
Primary keys

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