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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 candidate key is a determinant that determines all the other columns is a relation.

True
False

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Introduction to Database System
A list in alphabetical order

is in ascending order
is the result of a sort operation
is in descending order
both (b) and (c)
None of these

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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 relational database model was created by E.F. Codd.

False
True

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

entity.
relationship.
attribute.
identifier.

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