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?

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What are the names of the layers in etl?

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what are the concerns of OLTP and DSS systems?

0 Answers   TCS,

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Can we parametrize the values of IN statement. Ex. Inside parameter file: Parameter='A','B','C' Inside Code: IN (INPUT_CHARACTER, $$Parameter)

2 Answers   Cognizant, IBM,

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where are the log files generally stored.Can you change the path of the file.what can the path be?

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What do you understand by active and passive transformations?

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A session S_MAP1 is in Repository A. while running the session error message has displayed `server hot-ws270 is connect to Repository B`.what does it mean?

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Is there any body who works on Pervasive Data Integrator (previously Data Junction)? Is there any scope also?

2 Answers  

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What are various etl tools in the market?

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Can anyone explain me a scenario from banking and finance...more precisely a mapping

0 Answers   IBM,

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how to load the data to fact table?

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Assume u have a 24CPU machine with 24GB RAM, suggest how u would like to configure Informatica ,like number of concurrent sessions, RAM requirements etc,max partitions that u would permit per mapping.

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