What is the main difference between peek stage and copy stage

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what is the difference between OLTP database and data warehousing database?

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please tell me any easy ways of testing the Data warehouse project. In my project we are not using any tools for ETL. we are writing scripts in SCRIPTELLA. And we using Pentaho tool for Reporting How can i test all these. please tell me ASAP. thanks in adavance

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when should one create lookup transformation ?

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What is partitioning? Explain different types of partitioning?

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What are the names of the layers in etl?

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what is data modeling?

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we hava a flat file having more than 1000 records and two targets. i have to write first half of the rows into first targets and next half of rows into second target. how can i do in informetica??

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What are the ETL Testing Operations?

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What is etl tool in hadoop?

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Dear All, Can anyone tell me that from where i can get Power Center 8.5 S/W for Linux and how can i install Power Center 8.5 or any 7.x series on Linux Platform. Thanks in advance

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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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