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...


performance wise which one is better in joiner and lookup transformation?why?explain clearly?

Answers were Sorted based on User's Feedback



performance wise which one is better in joiner and lookup transformation?why?explain clearly?..

Answer / soujanya

before cache joiner after cache lookup

Is This Answer Correct ?    4 Yes 0 No

performance wise which one is better in joiner and lookup transformation?why?explain clearly?..

Answer / krishna

joiner is best because we will make less number of records or dublicate records as master. integration servic create cahce for master table. becaue of that cahce size is small and secarching oricess become easy. in case of lookup its should scane om botom to end it will take more time.

Is This Answer Correct ?    0 Yes 0 No

performance wise which one is better in joiner and lookup transformation?why?explain clearly?..

Answer / basha

based on the situation if we need to cache concept we will
use lkp tr ,we doesnot need to caches we use joiner tr
performence wise joiner is better

Is This Answer Correct ?    1 Yes 5 No

performance wise which one is better in joiner and lookup transformation?why?explain clearly?..

Answer / rampriya

Joiner is faster than lookup. Joiner will fetch the data
only once form the database, but the lookup will fetch the
data for each record from the database. So performance wise
joiner is better than lookup.

Is This Answer Correct ?    4 Yes 13 No

Post New Answer

More Informatica Interview Questions

what is service oriented architecture in Informatica 8 version

1 Answers   Cap Gemini, IBM, Systech, TCS,


Consider a Phone Log table as below. It records all phone numbers that we dial in a given day. SOURCE_PHONE_NUMBER DESTINATION_PHONE_NUMBER CALL_START_DATETIME 1234 4567 01/07/2011 10:00 1234 2345 01/07/2011 11:00 1234 3456 01/07/2011 12:00 1234 3456 01/07/2011 13:00 1234 4567 01/07/2011 15:00 1222 7890 01/07/2011 10:00 1222 7680 01/07/2011 12:00 1222 2345 01/07/2011 13:00 Please provide an SQL query to display the source_phone_number and a flag where the flag needs to be set to Y if first called number and last called number are the same and N if the first called number and last called number are different. Desired Output: Source Number Is_Match 1222 N 1234 Y

2 Answers   Amazon,


Hi, What is exactly node ? what is exactly domain ? How loadbalancer will work ? what is Integration service (IS) ? Can anyone give me exact scenario when I click on start workflow in the workflow manager ? (Note : I am not expecting answer like, node means logical representation of a machine and domain will contain multiple nodes .I gone through Informatica help but I couldn’t understand. I am expecting exactly what is happening in background detailed explanation or Pictorial representation will be highly appreciation ) Advance thanks

3 Answers   IBM,


Describe an informatica powercenter?

0 Answers  


what is the diff b/w cached and unchaed look ups

3 Answers   IBM, TCS, Wipro,


Briefly define reusable transformation?

0 Answers  


any body can say about all versions of informatica ?how many versions ?

2 Answers  


Router T/R is active but some people are saying it is also passive which is exactly right?

5 Answers  


hi friends ... i have insurance project(informatica),can you please tell me how many table and mappings we need to use?and explain me.. thank you

0 Answers   IBM,


who to split dimentions into sub dimention

3 Answers   Wipro,


How will u find weather dimension table is big in size of a fact table?

1 Answers  


what is parameter file?

1 Answers   Cap Gemini,


Categories