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Data Models into Database Designs

Data Models into Database Designs
A foreign key is used to implement relationships between tables.

True
False

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Data Models into Database Designs
Cascading updates refers to child rows being automatically deleted when a parent row is deleted.

False
True

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Data Models into Database Designs
The terms alternate key and candidate key mean the same thing.

False
True

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Data Models into Database Designs
For every relationship, how many possible types of actions are there when enforcing minimum cardinalities?

Three
Four
Two
Six

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Data Models into Database Designs
If a relationship has a cascade updates constraint, then if ________ in the parent table is changed, then the same change will automatically be made to any corresponding foreign key value.

the primary key
any alternate key
a foreign key
a surrogate key

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Data Models into Database Designs
(STREET ADDRESS, CITY, STATE, ZIP) is an ideal primary key.

True
False

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