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Data Models into Database Designs

Data Models into Database Designs
For every relationship, how many possible sets of minimum cardinalities are there?

Three
Four
Two
Six

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

False
True

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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 surrogate key
A foreign key
A primary key

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Data Models into Database Designs
In a 1:1 relationship, the foreign key is placed in:

either table without specifying parent and child tables.
the parent table.
either the parent table or the child table.
the child table.

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

False
True

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Data Models into Database Designs
Surrogate keys have much meaning for users.

True
False

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