what are the concerns of OLTP and DSS systems?

0 Answers   TCS,

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What is initial load and what is full load?

0 Answers  

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Explain do we need an etl tool?

0 Answers  

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in sap bw project at what scenario generic extraction is used and why explain and also tell why you used calendar day option explain?

2 Answers   Accenture,

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Identifying the bottlenecks in various components of Informatica and resolving them.

2 Answers  

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what are the reporting tools and difference between them?

0 Answers  

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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?

0 Answers  

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Informatica server and client are in different machines. You run the session from the server manager by specifying the source and target databases. It displays error . You are confident that everything is correct. Then why it is displaying the error?

0 Answers  

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What are the etl testing operations includes?

0 Answers  

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What are the modules in Power Mart?

0 Answers  

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what is a parameter when and where do u them when does the value will be created. Designing time, run time. If u don't create parameter what will happen?

1 Answers  

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what is the advantage of persistent cache? when it should be used?

2 Answers  

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