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Data Models into Database Designs

Data Models into Database Designs
A unique, DBMS-supplied identifier used as the primary key of a relation is called a(n):

surrogate key.
foreign key.
primary key.
composite key.

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

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

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Data Models into Database Designs
Each entity is represented as a(n):

tuple.
file.
table.
attribute.

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Data Models into Database Designs
For every relationship, there are six possible sets of minimum cardinalities.

True
False

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

main attribute
foreign key
identity key
primary 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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