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Data Models into Database Designs

Data Models into Database Designs
The identifier of an entity will become the ________ of the new table.

main attribute
primary key
foreign key
identity key

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Data Models into Database Designs
Which of the following columns is(are) are required in a table?

A foreign key
A primary key
An alternate key
A surrogate key

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Data Models into Database Designs
In 1:N relationships, which entity becomes the parent entity is arbitrary.

True
False

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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 sets of minimum cardinalities are there?

Two
Six
Three
Four

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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.

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

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