Parallel Data Warehouse Patterns

Microsoft’s SQL Server Parallel Data Warehouse (PDW) appliance was introduced with SQL Server 2008 R2 and is Microsoft’s first massively parallel processing (MPP) offering. Although PDW is built upon the SQL Server platform, it is a completely different product. As the name suggests, MPP uses multiple servers working as one system, called an appliance, to achieve much greater performance and scan rates than in traditional SMP systems. SMP refers to symmetric multi-processing; most database systems, such as all other versions of SQL Server, are SMP.

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