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Introduction to Database System

Introduction to Database System
In a relation, the columns are sometimes called "attributes".

True
False

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Introduction to Database System
In a 1:N relationship, the parent is the entity on the one side of the relationship and the child is the entity on the N side of the relationship.

False
True

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Introduction to Database System
For some relations, changing the data can have undesirable consequences called:

transitive dependencies.
referential integrity constraints.
normal forms.
modification anomalies.

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Introduction to Database System
Which of the following refers to something that can be identified in the user's work environment, something that the users want to track?

Identifier
Entity
Relationship
Attribute

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Introduction to Database System
Relationship classes are associations between entity classes.

False
True

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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.

instance
parent
subtype
child

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