July 2012
Intermediate to advanced
816 pages
27h 38m
English
Content preview from Programming Microsoft® SQL Server® 2012Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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Analysis Services
As innovative and well performing as the Fast Track and PDW approaches are, they are still nonetheless based on the idea of using star schemas to repurpose relational databases to perform dimensional queries and take on analytical workloads. Aggregations still need to be performed with T-SQL’s limited aggregation functions and GROUP BY construct, performing often very complex joins. Although it’s impressive that optimized CPU/networking/storage strategies make such queries feasible, the fact remains that relational databases really were not designed with these workloads in mind. So what if SQL Server offered another database engine that were? Enter OLAP and SSAS.
The Multidimensional Engine
SSAS actually has more than one engine, ...
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