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

Answer Posted / 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



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Define update strategy?

631


How can you define user defied event?

614


How to create the list file having millions of flat files while indirect loading in informatica? In indirect file loading, suppose we have less no.of flat files then we can enter files names manually in list file creation. If millions of files are there, how can we enter the flat file names in list file?

1457


Can you generate sequence numbers without using the sequence generator transformation?

595


What is the benefit of session partitioning?

589






What is a repository? And how to add it in an informatica client?

646


3.how will u get information about bugs how will u rectify the bugs in realtime whch tool we are using to rectify the bugs

1750


Explain the features of connected and unconnected lookup.

538


What is informatica metadata and where is it stored?

581


If the source has duplicate records as id and name columns, values: 1 a, 1 b, 1 c, 2 a, 2 b, the target should be loaded as 1 a+b+c or 1 a||b||c, what transformations should be used for this?

8534


How many transformations can be used in mapplets.

1454


Define joiner transformation?

588


What is a predefined event?

656


In development project what is the process to follow for an etl developer from day1

1276


If i have source as flat file. how can i store the header and trilor into one target and data into one more target. |------>target1(header+trailor) source------ |------>target2(data) can any one please help me

1547