Explain what is etl process? How many steps etl contains explain with example?

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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?

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what is Forward,Reverse and Re_engineering?

0 Answers   QualTech,

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How can we handle Rejection Logic in Source tables while we are matching the data in Target side in ETL Testing ?

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diff b/w dwh & data mart diff b/w star schema & snow flake schema diff b/w fact table & dimension table what are the contents in requirement specification what are the docs needed for testing draw ur proj architecture

0 Answers   L&T,

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What is a staging area? What is the purpose of a staging area?

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how do u implement configuration management in Informatica?

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Suppose I am loaded with questions as I am an experienced etl coder, but not an analytical report builder. I am using analysis services to build a cube but am trying to choose the reporting architecture. Can someone please confirm whether or not reporting services (using the business intelligence report) will allow for slicing and dicing, or is it only a static report builder. Also, if I am using the cube browser in analysis services, where can I put the option of non empty so that I dont see records that are blank.?

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How many steps etl contains?

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HI, Anybody is having informatica Dumps,if it there Can u send to my mail id :sathesh.cool@gmail.com

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I have two tables in two different database, so to join these tables which transformation will be better joiner transformation or lookup transformation?

2 Answers   Accenture, Saama Tech, TCS,

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Explain about round-robi?

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