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Which is a join condition contains an equality operator:

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Which is a join condition contains an equality operator:

(a) Equijoins

(b) Cartesian

(c) Both Equijoins and Cartesian

(d) None of the mentioned

I have been asked this question during an interview.

I'm obligated to ask this question of Join Operations topic in division Query Processing Techniques of Database Management

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The correct choice is (a) Equijoins

Easiest explanation - An equi-join is a specific type of comparator-based join, that uses only equality comparisons in the join-predicate.

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