What is a diff between joiner and lookup transformation

Answer Posted / kittu

hi every one

i read all the answers i agree with you but one more thing is there in joiner. once u specify d joiner it will extract all the data from source and check the based on condition then it returns values.

in look up it wont take any values but it refers based on condition.It means look up check the values present r not.
here main thing is memory if cache size is increase it decrease the informatica performance.same thing will happen in joiner trans so mostly we r not using joiner but some times based on source data we use.

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

Explain the mapping variable usage example in informatica

635


How to use pmcmd utility command?

582


What are the different types of olap? Give an example?

564


What is the need of etl tools?

610


what is the -ve test case in your project.

1854






Implementation methodology

1260


What is the different lookup cache(s)?

613


How can you increase the performance in joiner transformation?

710


How can we improve session performance in aggregator transformation?

674


Describe an informatica powercenter?

609


What is sequence generator transformation in informatica?

625


What could be the possible resons of locks by user?

665


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

1755


What does “tail –f” command do and what is its use as an Informatica admin.

631


what is the difference between informatica6.1 and infomatica7.1

1719