What is the cardinality of a relation having 500 tuples and 50 attributes?
2021
What is the cardinality of a relation having 500 tuples and 50 attributes?
- A.
500
- B.
50
- C.
450
- D.
2500
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Correct answer: A
Cardinality of a relation refers to the number of tuples (rows) in the relation.
In this case, the relation has 500 tuples, so the cardinality is 500.
Note: The number of attributes (columns) does not affect cardinality.