Explain the difference between etl tool and olap tools?
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hoe to access second value in mapping parameter if it is having more than one value ?????????????
What is meant by incremental load?
what is the meant by Normalization and de-normalization?
How can we handle Rejection Logic in Source tables while we are matching the data in Target side in ETL Testing ?
Explain do we need an etl tool?
list and discuss two approaches for updation of target table in Informatica and how they are different.
What are the steps involved in etl process?
Which type or t/s is used to convert rows into column & column into rows
State the differences between shortcut and reusable transformation
what is the difference between cardinality and Nullability?
can u please tell me about ........ how can explain my project before interviewer my projects are insurence domain & sales domain?
what is granularity in Data ware House?