ALLInterview.com :: Home Page            
 Advertise your Business Here     
Browse  |   Placement Papers  |   Company  |   Code Snippets  |   Certifications  |   Visa Questions
Post Question  |   Post Answer  |   My Panel  |   Search  |   Articles  |   Topics  |   ERRORS new
   Refer this Site  Refer This Site to Your Friends  Site Map  Bookmark this Site  Set it as your HomePage  Contact Us     Login  |  Sign Up                      
Google
   
 
Categories >> Software >> Data Warehouse >> Informatica
 
 


 

 
 Teradata interview questions  Teradata Interview Questions (184)
 Business Objects interview questions  Business Objects Interview Questions (757)
 Cognos interview questions  Cognos Interview Questions (853)
 Informatica interview questions  Informatica Interview Questions (1626)
 Crystal Enterprise Suite interview questions  Crystal Enterprise Suite Interview Questions (29)
 Actuate interview questions  Actuate Interview Questions (35)
 Ab Initio interview questions  Ab Initio Interview Questions (172)
 Data Stage interview questions  Data Stage Interview Questions (565)
 SAS interview questions  SAS Interview Questions (561)
 Micro Strategy interview questions  Micro Strategy Interview Questions (37)
 ETL interview questions  ETL Interview Questions (196)
 Data Warehouse General interview questions  Data Warehouse General Interview Questions (216)
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
 
while creating the scd mappings. we will mention flag value. what exactly the use of defining the FLAG VALUE. Please explaine indetaile AMDOC 2
Why we need XMLs? IBM 3
Can any one describe what is audit table briefly?how does it look like and what are the columns in it? Syntel 3
i have different sources in different databases ,that sources may be 100 tables i want to load these tables in to single target how to pearform the task TCS 12
insallation procedure for power center 8.1.1 especialy domain_config hw to use parameter files   1
Source Qualifier is an active t/r but there is no change of row count then y should we called it active t/r & Router , sorter some times no change in row count then Y we called its active t/r?   2
can we create index and drop index in exsisting table while using infomatica   4
What is data merging, data cleansing and sampling? Satyam 5
What happens if you increase commit intervals and also decrease commitExplain grouped cross tab?   2
what is the size of ur database(like oracle) HP 2
How do u identify or filter out a 0 byte file available in a folder by using UNIX command? Wipro 1
major difference between normal loading and bulk loading?   6
 
For more Informatica Interview Questions Click Here 
 
 
 
 
 


   
Copyright Policy  |  Terms of Service  |  Articles  |  Site Map  |  RSS Site Map  |  Contact Us
   
Copyright 2013  ALLInterview.com.  All Rights Reserved.

ALLInterview.com   ::  KalAajKal.com