Chaper 4 Flashcards by Peyton Williams

Q

What is a hierarchical model?

A

Represents data as a hierarchical tree structure.

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Q

What is an instance?

A

A record within a table.

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Q

What is a network model?

A

Represents data as record types.

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Q

What is a relation?

A

Another term for table.

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Q

What is a relational model?

A

Represents data as relations or tables.

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Q

What is a set type?

A

A limited type of one to many relationship.

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