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IN A MAPPING WHEN WE USE AGGRIGATER TRANSFORMATION WE WILL
USE GROUP BY PORT. IF GROUPBY IS NOT SELECTED BY DEFAULT IT
WILL TAKE ONLY THE LAST COLUMN WHY????

Answers were Sorted based on User's Feedback



IN A MAPPING WHEN WE USE AGGRIGATER TRANSFORMATION WE WILL USE GROUP BY PORT. IF GROUPBY IS NOT SEL..

Answer / prathap

IF GROUPBY IS NOT SELECTED INFORMATICA SERVER UNDERSTANDS WHOLE TABLE AS A ONE GROUP AND ITS GIVE LAST RECORD OUT

Is This Answer Correct ?    2 Yes 1 No

IN A MAPPING WHEN WE USE AGGRIGATER TRANSFORMATION WE WILL USE GROUP BY PORT. IF GROUPBY IS NOT SEL..

Answer / amedela chandra sekhar

Aggregator t/r perform calculations from first record to
last record.There is no group it will take last record
if u are not selected groupby the integration service returns
last record from all input rows.

Is This Answer Correct ?    4 Yes 5 No

IN A MAPPING WHEN WE USE AGGRIGATER TRANSFORMATION WE WILL USE GROUP BY PORT. IF GROUPBY IS NOT SEL..

Answer / amedela chandra sekhar

when u want to perform calculations on groups u can go for
aggregator t/r.aggregate functions like
min,max,last,first,count ...

if u are not selected groupby the integration service returns
last record from all input rows.

why means that integration service rule.

Is This Answer Correct ?    3 Yes 7 No

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