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A join of the form r ⨝r.A=s.B s is called as

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A join of the form r ⨝r.A=s.B s is called as

(a) Equi join

(b) Left outer join

(c) Right outer join

(d) Full outer join

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Asked question is from Join and Other Operations topic in chapter Query Processing and Optimization of RDBMS

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Right choice is (a) Equi join

Explanation: A join of the form r ⨝r.A=s.B s is called as equi-join where A and B are sets of attributes of r and s respectively.

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