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explain abt union t/r?

Question Posted / sree


explain abt union t/r?..

Answer / suraj kedia

A union transformation is a multiple input group
transformation,which is used to merge the data from multiple
sources similar to UNION All SQL statements to combine the
results from 2 or more sql statements.
Similar to UNION All statement, the union transformation
doesn't remove duplicate rows.

It is an active transformation.

Is This Answer Correct ?    5 Yes 1 No

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