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1
When a database table has more than one primary key attributes (or combination of
attributes), each is called a candidate key. TrueView Answer
2
A primary key is an attribute (or set of attributes) that has been chosen for an entity, whose values are used to uniquely identify a particular instance of an entity. TrueView Answer
3
For a relation/table each tuple may not be distinct and duplicate tuples are allowed. FalseView Answer
4
A key that consists of two or more attributes is known as composite key. TrueView Answer
