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SQL Server 2016 : In-Memory OLTP Enhancements

 Posted by Aaron Bertrand on November 30, 2015  30 Responses »
Nov 302015
 

Aaron Bertrand (@AaronBertrand) lists out the changes to In-Memory OLTP ("Hekaton") that will make the feature even more appealing in SQL Server 2016.

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 Tagged with: Hekaton, in-memory OLTP, SQL Server 2016

Dan Holmes : Custom Built Statistics

 Posted by Guest Posts on November 24, 2015  1 Response »
Nov 242015
 

Dan Holmes (sql.dnhlms.com) talks about a solution he developed to manually coerce statistics to be more accurate and produce better, more predictable execution plans.

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 Tagged with: statistics, stats

Introduction to Storage Spaces Direct for SQL Server

 Posted by Glenn Berry on November 20, 2015  3 Responses »
Nov 202015
 

Glenn Berry (@GlennAlanBerry) discusses a new feature in Windows Server 2016, Storage Spaces Direct, and how SQL Server will benefit.

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 Tagged with: storage, Storage Spaces Direct

Please help improve SQL Server statistics!

 Posted by Aaron Bertrand on November 12, 2015  1 Response »
Nov 122015
 

Aaron Bertrand (@AaronBertrand) highlights three Connect items that will address some pretty important shortcomings in SQL Server statistics.

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 Tagged with: connect, SQL Server 2016, statistics

Hash Joins on Nullable Columns

 Posted by Paul White on November 3, 2015  11 Responses »
Nov 032015
 

Paul White (@SQL_Kiwi) discusses some less well-known query optimizer features and limitations, and explains poor performance of certain hash joins.

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 Tagged with: bitmaps, hash join

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