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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
Two different admin users created for repository are________and_________.   1
list the transformation used for the following:Heterogeneous sources,Homogeneous sources,Find the 5 highest paid employees with in a dept,create a summery table,generate surrogate keys   2
what is a test load?   3
Can u access a repository created in previous version of Informatica? DELL 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
What is factless fact schema?   3
how do u automate Extraction process?   1
what is the difference between shortcut of an object and copy of an object? compare them?   1
what types of repositories we can create in informatica? in real time in which type of repository we will work on?   2
we have 1 source table containing 100 records. now we have to transfer first set of 1-10 (i.e1-10) records to one target table and another set of 1-10(11-20) records to other target table and continue like that till 100th record   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
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