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Introduction to Database System

Introduction to Database System
Microsoft Access is an enterprise-class database product.

True
False

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Introduction to Database System
A relation is in 5NF when multivalued dependencies are isolated in their own relation.

False
True

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Introduction to Database System
One solution to the multivalued dependency constraint problem is to:

add a composite key.
change the theme.
split the relation into two relations, each with a single theme.
create a new theme.

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Introduction to Database System
In SQL, which command(s) is(are) used to create a synonym for a schema object?

All of the listed here
CREATE SCHEMA
CREATE SAME
CREATE SYNONYM

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Introduction to Database System
A compound key

uniquely identifies an item in a list
is a combination of each unique key
both (a) and (b)
None of these
is made up a several pieces of information

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Introduction to Database System
The Management Information system (MIS) structure with one main computer system is called a

decentralized MIS structure
centralized MIS structure
distributed MIS structure
hierarchical MIS structure

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