Q.

Cardinality of an attribute is

A. It is a memory buffer that is used to store data that is needed frequently by an algorithm in order to minimize input/ output traffic
B. The number of different values that a given attribute can take
C. A mathematical conception of space where the location of a point is given by reference to its distance from two or three axes intersecting at right angles
D. None of these
Answer» B. The number of different values that a given attribute can take
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