This talk covers the new columnstore feature in SQL Server 2012, which drastically improves performance for data warehouse queries. I’ll take the feature apart to not only discuss the layout of these indexes, but also their optimization with batch mode processing inside the query itself. I’ll also discuss additional query plan improvements and new query iterators and query plan warnings in SQL Server 2012.
Watch it here at Performance and Query Optimizations in SQL Server 2012 | TechNet Video
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