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what are the concerns of OLTP and DSS systems?
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Explain do we need an etl tool? When do we go for the tools in the market?
what happens if the info.server doesn't find the session parameter in the parameter file?
how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?
How many steps etl contains?
How many types of transformations supported by sorted input?
Explain the difference between etl tool and olap tools?
you have created a lookup transformation for a certain condition which if true returns multiple rows. when you go to the target and see only one row has come and not all. why is it so and how it can be corrected.
what are Lookup caches options? Including persistent caches.
Is apache nifi an etl tool?
Hi, can anyone plz share the project architecture for etl testing(banking domain) plz explain the architecture .
What are snapshots?
Explain the key challenges that you face while performing etl testing.
Teradata 
