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Categories >> Software >> Data Warehouse >> ETL


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what is the advantage of persistent cache? when it should be
 Question Submitted By :: ETL
I also faced this Question!!     Answer Posted By  
# 1
when the table you are using for lookup is static table(
i.e. data is not changing ) and it is the huge table.
Hence reduce the session time by using the persistent cache
Is This Answer Correct ?    1 Yes 0 No

Other ETL Interview Questions
  Question Asked @ Answers
what is meant by drill through?(Mascot)   1
what are business components in Informatica?   1
Hello all, Source Table(Flat File):- Target Table(Flat File):- Date Date 01/08/2008(DD/MM/YYYY) 01/08/2008 02/08/2008 03/08/2008 04/08/2008 05/05/2008 My requiremnt is this. I need to do it by informatica,Plz tell me how can i do it? Thanks   3
I have a Flat file with more no. of Records also including duplicate values. But i need distinct values to one target and remaining records to another target in Informatica way   2
What is Relational Integrity?   1
Give a way in which u can implement a real time scenario where data in a table is changing and u need to look up data from it.How will u configure the look up transform for this purpose?   1
Hi, Lookup() is what kind of join ? Satyam 5
1. if lookup tr is giving poor performamence. what u do. 2. i have emp,dept table. i want output ename,empno,dname,max(sal). 3. can any one tell me project flow in real time scenario. please send me mail any queries and answers my mail id is iGate 2
indatastage 8.1 surrgoate key generates seqences numbers write but there is limite value i want to reset the seqence after gettting some highest value like i want o/p like this 1 2 3 4 5 .............10000 1 2 3.........10000 TCS 1
we hava a flat file having more than 1000 records and two targets. i have to write first half of the rows into first targets and next half of rows into second target. how can i do in informetica??   1
what are the different Reporting and ETL tools available in the market?   1
Where can i get informatica certification Exam dumps and details? please forward it to emailid: NexGen 310
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