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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
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
how do u implement unconn.stored proc. in a mapping?   1
how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?   1
what is the advantage of persistent cache? when it should be used?   1
how to join two tables without using joiner transformation .advantages of joiner over lookup and vice versa.   5
Which type or t/s is used to convert rows into column & column into rows Infosys 7
how do u implement scheduling in Informatica? Cognizent 1
what types of repositories we can create in informatica? in real time in which type of repository we will work on?   2
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
how do u set the size of block buffer?   1
what is the difference between OLTP database and data warehousing database?   2
what are Lookup caches options? Including persistent caches.   1
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