Question

If matching tuples are not found, the kind of OUTER JOIN operation which keeps all the tuples of first relation out of the two relations is classified as

a.

LEFT OUTER JOIN

b.

RIGHT OUTER JOIN

c.

UPWARD JOIN

d.

DOWNWARD JOIN

Posted under Relational Algebra DBMS

Answer: (a).LEFT OUTER JOIN

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Q. If matching tuples are not found, the kind of OUTER JOIN operation which keeps all the tuples of first relation out of the two relations is classified as

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