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A join links tables by selecting only the rows with common values in their common
attribute(s).
A. Attribute
B. Unique
C. Foreign
D. Natural - correct answer D. Natural
A key can be described as a minimal superkey, a superkey without any unnecessary
attributes.
A. Candidate
B. Secondary
C. Foreign
D. Primary - correct answer A. Candidate
True or False:
Character data type is also known as string data type, can contain any character or symbol not
intended for mathematical manipulation, but character sets can include digits or a numeric
string. - correct answer True
A is the primary key of one table that has been placed into another table to create a
common attribute
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