Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
PDW and Big Data (Hadoop)
Excuse me? Did you say that it is possible to access unstructured Big Data with structured PDW data? Yep, that’s right: from a single SQL query that provides complete insulation of the underlying data sources that contain the data (structured or unstructured).
The secret sauce comes in the form of something called PolyBase, a breakthrough component that enables querying across Hadoop and relational data in addition to providing integration with the whole Microsoft BI stack.
In a nutshell, PolyBase can handle a standard Transact-SQL query that joins tables from any relational source with tables from a Hadoop cluster and seamlessly return the results to the user. In other words, you don’t have to load data you already ...
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