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Introduction to Database System

Introduction to Database System
A relation is in Boyce-Codd Normal Form (BCNF) if every determinant is a composite key.

False
True

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Introduction to Database System
A recursive relationship is a relationship between an archetype and an instance of that archetype.

True
False

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Introduction to Database System
The PROJECT command will create new table that has

both of the listed here
more rows than the original table
more fields than the original table
none of the listed here

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Introduction to Database System
Entities use identifiers while tables use keys.

True
False

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Introduction to Database System
Entities can be associated with one another in which of the following?

Identifiers
Relationships
Entities
Attributes

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Introduction to Database System
Updating a database means

modifying or adding record occurrences
reorganizing the database
revising the file structure
all of the listed here

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