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Relation R has 12 tuples and 5 attributes, and relation S has 8 tuples and 3 attributes. What are the cardinality and degree of R × S?

1107Medium DSSSB TGT Computer Science 0 replies

Relation R has 12 tuples and 5 attributes, and relation S has 8 tuples and 3 attributes. What are the cardinality and degree of R × S?

A20 tuples and 8 attributes
B96 tuples and 15 attributes
C96 tuples and 8 attributes
D20 tuples and 15 attributes

Correct answer: C

Explanation

The Cartesian product has 12 × 8 = 96 tuples and 5 + 3 = 8 attributes.

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