why union is active transformation?

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why union is active transformation?..

Answer / rakesh

since Union Transformation is derived from CUSTOM Transformation which is active.

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why union is active transformation?..

Answer / shobhan

if input number of rows are not equal to output number of rows, that would be Active transformation. In Union Transformation, input will more and output will be less. SO, this is a Active Transformation.

Is This Answer Correct ?    2 Yes 4 No

why union is active transformation?..

Answer / swathi

bcz union supports vertical merging

Is This Answer Correct ?    1 Yes 4 No

why union is active transformation?..

Answer / amedela chandra sekhar

Union it support only same metadata in both the tables.
it will execute same metadata.
it means reject the unmatched data.
so reject some records.
so it changes the no of records

Is This Answer Correct ?    2 Yes 7 No

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