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  1. jarh

    Difference between DM / DW / ODS?

    Here there are the differences: In a general way ODS is the DB that contains data from the OLTP systems but that data is used to support the tactical decision making process. DW(Data Warehouse) is the summary of ODS data that is used to support eh strategic decision making...
  2. jarh

    ETL tool for Mainframe data

    Hi If you are lookign for information about etl tools that deal with mainframe just take a look at www.datawarehouse.com and there is a list of different partners that offer the etl tools. Or if I cna recomend you a good tool could be Datastage from ardent or Power Mart from Informatica...

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