Difference between flat files and relational sources?
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how do u decide whether u need to do aggregations at database level or at Informatica level?
what is granularity in Data ware House?
What are the various tools used in etl?
where are the log files generally stored.Can you change the path of the file.what can the path be?
Explain about power designer data modeling software?
What is the main difference between peek stage and copy stage
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
How etl testing is different from database testing?
What are the ETL Testing Operations?
SCD2 will work on only dimension tables as well as fact Table?
How many types of transformations supported by sorted input?
What is etl process? How many steps etl contains?