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virtualization

Data Virtualization

For some reason "data virtualization" is one of the new hot buzzwords in my industry.  Data virtualization is really just combining a bunch of data sources (databases, unstructured data, DWs, weblogs, whatever) into a single virtual data tier layer that provides access to applications.  Haven't we been doing this for years.  I remember when linked servers came out for SQL Server.  I thought they were the coolest thing at the time.  I could now connect to Oracle from my SQL Server and manipulate the data in the more familiar TSQL, realtime, without the need of an ETL process.

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