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Question
what is the advantage of persistent cache? when it should be
used?
 Question Submitted By :: ETL
I also faced this Question!!     Answer Posted By  
 
Answer
# 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
file/s.
Regards,
 
Is This Answer Correct ?    1 Yes 0 No
San
 

 
 
 
Other ETL Interview Questions
 
  Question Asked @ Answers
 
how do u implement unconn.stored proc. in a mapping?   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
what happens if the info.server doesn't find the session parameter in the parameter file?   1
Eliminating of duplicate records without using dynamic lookups   3
what are the different forms of normalization?   2
what are the parts of Informatica server ? GE 1
Hi please try to reply with answer. my mail id is raghu.1028@gmail.com. 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
what are Lookup caches options? Including persistent caches.   1
CAN ANY ONE SEND ME THE CODE FOR THE BELOW 1).REMOVE '_' FROM TELE PHONE "323-237-2323" AND SHOULD DISPLAY OUT PUT AS "323237232" 2). NEED TO ONLY "COMPANY.COM" FROM EMAIL FILED "TEST@COMPANY.COM"   11
what is the difference between OLTP database and data warehousing database?   2
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
how do u set the size of block buffer?   1
 
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