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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?
Give a way in which u can implement a real time scenario where data in a table is changing and u need to look up data from it.How will u configure the look up transform for this purpose?
Explain about etl data integration software?
How to fine tune mappings?
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
Explain different types of partitioning?
how do u implement configuration management in Informatica?
what is granularity in Data ware House?
how to load the data to fact table?
how does the server recongnise the source and target databases.Elaborate on this
what are the types in error loging?
What are the types of data warehouse applications and what is the difference between data mining and data warehousing?
Teradata 
