Golgappa.net | Golgappa.org | BagIndia.net | BodyIndia.Com | CabIndia.net | CarsBikes.net | CarsBikes.org | CashIndia.net | ConsumerIndia.net | CookingIndia.net | DataIndia.net | DealIndia.net | EmailIndia.net | FirstTablet.com | FirstTourist.com | ForsaleIndia.net | IndiaBody.Com | IndiaCab.net | IndiaCash.net | IndiaModel.net | KidForum.net | OfficeIndia.net | PaysIndia.com | RestaurantIndia.net | RestaurantsIndia.net | SaleForum.net | SellForum.net | SoldIndia.com | StarIndia.net | TomatoCab.com | TomatoCabs.com | TownIndia.com
Interested to Buy Any Domain ? << Click Here >> for more details...

  1. Categories >> Software >> Data Warehouse >> Informatica
  2. Suggest New Category

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????

Question Posted / anirvin2009

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

Post New Answer

More Informatica Interview Questions

Can we create out put ports in source qualifier t/r?

5 Answers   TCS,

why we are using surogate key in real time give me explanation

2 Answers   TCS,

What are different types of transformations available in informatica?

0 Answers  

What is the use of an aggregator cache file?

0 Answers  

Hi, Can anyone just give me the list of all versions of Informatica ? Advance Thanks

2 Answers   IBM,

my source having the records like ram 3 sam 5 tom 8 and i want to load into target like ram record 3 times,sam record 5 times, tom record 8 times

3 Answers   Satyam,

Briefly describe lookup transformation?

0 Answers  

what is tha tracesing level? and difference betweentrace in normal and verbose and nonverbose?

2 Answers  

SOURECE Name id dept sal 1 a1 A 100 2 b1 B 200 3 c1 C 300 4 d1 D 400 TARGET: Name id dept sal 1 a1 A 100 2 b1 B 200 3 WER1 567 300 4 d1 D 400 I HAVE SOURCE AND TARGET. HOW TO VALIDATE DATA? TELL ME 5 STEPS ABOVE TABLE?

1 Answers   IBM,

create a mapping to retrieve the employees who are getting salary greater than average salary?

4 Answers   TCS,

I have the input file as col1 col2 col3 3 2 1 7 6 8 I should get the output as col1 col2 col3 1 2 3 6 7 8 ....What is the logic to get this? Is there any transformation which sorts row wise ? If not how to sort the incoming records row wise?

5 Answers  

Two Default User groups created in the repository are ____ and ______

2 Answers  

For more Informatica Interview Questions Click Here
Categories