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Introduction to Database System

Introduction to Database System
In a one-to-many relationship, the entity that is on the many side of the relationship is called a(n) ________ entity.

child
subtype
instance
parent

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Introduction to Database System
Composite identifiers consist of two or more attributes.

True
False

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

False
True

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Introduction to Database System
In the relational model, relationships between relations or tables are created by using:

foreign keys.
determinants.
candidate keys.
composite keys.

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Introduction to Database System
The designer of a form includes

both (a) and (b)
data
filed designators
prompts
None of these

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Introduction to Database System
The modify operation is likely to be done after

Insert
Look-up
None of these
Delete
All of these

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