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Explain the key challenges that you face while performing etl testing.
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what are Lookup caches options? Including persistent caches.
1.Identify and discuss the problems which are occurred during data quality verification for the single-source and multi-source problems. 2.Testing has very important role in DWH. In ETL testing phase, how can we perform the integration testing and regression testing? 3.What are the perquisites of system testing and regression testing in ETL phase?
what is different between sequential batch and concurrent batch and which is recommended and why?
what is Forward,Reverse and Re_engineering?
we hava more than 1000 records. i have to select first 5 record, last 5 record and 5 records from middle of the source. how can i do in oracle as well as in informetica??
When do we use dynamic cache and static cache in connected and unconnected lookup transformations? Difference between stop and abort
How to load Session Statistics (Workflow name, TgtRows, Rejected Rows, SessStartTime,SessEndTime..)into a database table ?? Another Question: I want to pass values from oracle table or Flat file in Mapping parameter/Variable.. What is the method for that..Please provide me the solution step by step
how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?
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?
Dear All, Can anyone tell me that from where i can get Power Center 8.5 S/W for Linux and how can i install Power Center 8.5 or any 7.x series on Linux Platform. Thanks in advance
Is there any body who works on Pervasive Data Integrator (previously Data Junction)? Is there any scope also?
how do u handle performance issues in Informatica . where can u monitor the performance ?
Teradata 
