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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 :: Jakki
I also faced this Question!!     Rank Answer Posted By  
  Re: what is the advantage of persistent cache? when it should be used?
# 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 the difference between OLTP database and data warehousing database?   2
what is the difference between shortcut of an object and copy of an object? compare them?   1
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
Which type or t/s is used to convert rows into column & column into rows Infosys 7
how do u implement unconn.stored proc. in a mapping?   1
what are the parts of Informatica server ? GE 1
can Informatica be used as a cleansing tool? If yes, give examples of transformations that can implement a data cleansing routine.   1
What are the new features of informatica 9 version?   2
Where can i get informatica certification Exam dumps and details? please forward it to emailid: NexGen 307
Eliminating of duplicate records without using dynamic lookups   1
Hi please try to reply with answer. my mail id is if the source is having millions of records, but having theree target tables. As per user the first record need to insert into first target and second record in to a second target and third into third target, similarly the process needs to repeat?   4
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
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