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

write a sql query following table? col1 col2 1 2 1 2 1 2 3 4 3 4 5 6 i want the output like unique duplicate col1 col2 col1 col2 1 2 1 2 3 4 1 2 5 6

1 Answers   Cap Gemini,

What are the connected or unconnected transforamations?

2 Answers  

what is hash table in informatica?

1 Answers   Zensar,

My source table having some records ,i want load 1st record and last record into one target?

3 Answers   iGate,

Hi experts, can anyone tell how much we use plsql in real time

3 Answers  

what is the size of ur database(like oracle)

2 Answers   HP,

what are testing in a mapping level please give brif eplanation

1 Answers   CTS,

What is a sequence generator transformation?

0 Answers  

What type of sorting algorithm does the Sorter Transformation use, to do its sorting Operation? 1. Bubble sort 2. Insertion sort 3. Shell sort 4. Merge sort 5. Heapsort 6. Quicksort 7. Bucket sort

3 Answers  

Clarify the utilization of aggregator cache record?

0 Answers  

i have two source data there is no pk,fk how to join the two sources

5 Answers   TetraSoft,

,if we have single SQ in flow and we have router in which it has two group and we want to join these two groups with joiner ?is it possible?

3 Answers   Emphasis,

For more Informatica Interview Questions Click Here
Categories