A primary key is a candidate key that has been selected to uniquely identify rows in a relation.
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Q35: A referential integrity constraint is used to
Q36: A row can be uniquely identified by
Q37: A relation can have only one candidate
Q38: A key can be composed of a
Q39: It is possible to have a relation
Q41: Any table that meets the definition of
Q42: Any table that meets the definition of
Q43: When designing or normalizing relations,each relation should
Q44: Every time we break up a relation
Q45: A relation that is in domain/key normal
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