What is data cleaning?

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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 are the data sources extracted from logistics cockpit in sap bw project and what is the requirement for it ?

0 Answers   Accenture,

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how do u set partition points in the mapping?

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What are materialized views & where do we use them?

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What is tracing level and what are the types?

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how do u estimate the number of partitions that a mapping really requires? Is it dependent on the machine configuration?

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Hi Guys, my requirement is to load 1 yr data from oracle to teradata database through abinitio etl graph.i need to schedule this as a monthly job.but i want to load 12 month data for the first time and from second time it should load last (recent) month data and delete 13th month data. For example For the first time it should load 201208 to 201108 data, second time it should delete 201108 month data and load 201209 month data. I developed garph to load 12 month data ,but i don't know how to handle above requirement as am new to abinitio. i greatly appreciate you help.Thank You.

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What is the difference between Data Warehousing and Data Mining?

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1. if lookup tr is giving poor performamence. what u do. 2. i have emp,dept table. i want output ename,empno,dname,max(sal). 3. can any one tell me project flow in real time scenario. please send me mail any queries and answers my mail id is yaparala@gmail.com

2 Answers   HCL, iGate,

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How many steps etl contains?

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Need Informatica Power Center 9.1 free download(for all windows version)

1 Answers   ABC,

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