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Categories >> Software >> Data Warehouse >> Informatica
 
 


 

 
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Question
What is 'PowerCenter Pushdown Optimization Option' in 
INFORMATICA ?
 Question Submitted By :: Informatica
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
Genrally, data base opertions are more faster than
operations that are excuted under power center.

The main idea behind pushdown optmization is to push some
of the transformation logic to either source side or target
side data base, so that performance can be improved.
 
Is This Answer Correct ?    42 Yes 1 No
Chanti
 
Answer
# 2
Pushdown optimization is used to push the complex logic to
the database level. This will reduce the complexity of the
Powercenter mappings and increases the performance.
 
Is This Answer Correct ?    31 Yes 4 No
Sudhar
 
 
 
Answer
# 3
IN GENERAL DATABASE OPERATONS ARE MORE FASTER THAT
EXEXUTING IN THE POWERCENTER,SO WE CAN MOVE THE COMPLEX
TRANSFORMATION LOGIC TO DATABASE FOR PERFORMNACE IMPROVE
 
Is This Answer Correct ?    11 Yes 0 No
Rekha
 
Answer
# 4
pushdown optimization will improve the performance of the
Load...

Let's see the E.g:

Sq ---> Flter_t ----> Target
[ sal<2000 ]

....
 
Is This Answer Correct ?    4 Yes 0 No
Ashok1729
 
Answer
# 5
understanding the transfromatin language,and analize the
tranfromation language time being taken to achieve the
taske ,then push the trasnformtin logic either source
database or targer database.
 
Is This Answer Correct ?    3 Yes 0 No
Shiva
 

 
 
 
Other Informatica Interview Questions
 
  Question Asked @ Answers
 
Why we use ENABLE HIGH PRECISION in session properties? Cognizent 2
Name 4 output files that informatica server creates during session running?   1
.prm wirh repalce .txt is possible?   2
write a query to follwoing table amount year quarter 254556 2003 first 546332 2003 second 129034 2003 third 490223 2003 fourth 165768 2004 first 265443 2004 second 510412 2004 third 435690 2004 fourth i want the output year q1_amount q2_amount q3_amount q4_amount 2003 254556 546332 129034 490223 2004 165768 265443 510412 435690 TCS 2
What is the functionality of update strategy?   2
What are the challenges of Dataware housing in the future? HP 2
how can we perform incremental aggregation?explain with example? TCS 9
suppose i have 1000 records and i want to load half of the record in target 1 and half in target2.how u'll do? IBM 9
Filter condition at workflow level & filter condition at mapping level . Which will get preference or which will work.   1
what is the look up transformation?   2
explain different types of modeling.   2
which is better perfomancewise lookup or joiner and why?can anyone give example? TCS 5
 
For more Informatica Interview Questions Click Here 
 
 
 
 
 


   
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