why union is active transformation?
Answers were Sorted based on User's Feedback
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 |
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 |
why union transformation is active transformation?
What is a joiner transformation and why it is an active one?
How to convert flat file into xml file? How to tune joiner?
In what scenario we use to improve session performance by pushdown optimization?can any one give example?
wt is inline view? when and why we Use ?mail to rayallarv@gmail.com
What is depict expression change?
How many number of sessions that u can create in a batch?
difference between top down(w.h inmon)and bottom up(ralph kimball)approach?
Whats there in global repository
Can we change Dynamic to Static or Persistent cache? If so what happens?
why we are using surogate key in real time give me explanation
In mapping f.f as one src and f.f as trg,f.f as src and oracle as trg which is fast? mean which is complete first process