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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.

foreign key
identity key
primary key
main attribute

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Data Models into Database Designs
The DBMS allows surrogate keys to be changed.

True
False

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

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

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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
An ideal primary key is short, numeric and seldom changing.

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?

Two
Six
Three
Four

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