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What type of join is needed when you wish to include rows that do not have matching values?

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What type of join is needed when you wish to include rows that do not have matching values?

(a) Equi-join

(b) Natural join

(c) Outer join

(d) All of the Mentioned

I have been asked this question in an international level competition.

My question is based upon Joins topic in division Laying the Foundation of SQL Server

1 Answer

+1 vote
by (277k points)
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Best answer
Right choice is (c) Outer join

Easiest explanation: OUTER JOIN is the only join which shows the unmatched rows.

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