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Considerations Around Column Order in Indexes and Sorts

 Posted by Erin Stellato on August 26, 2014  No Responses »
Aug 262014
 

Erin Stellato (@erinstellato) of SQLskills shows how sort operations can have a dramatic impact on plans, and what you can do about it.

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 Tagged with: cardinality, ORDER BY, sorting

Grouped Concatenation : Ordering and Removing Duplicates

 Posted by Aaron Bertrand on August 20, 2014  7 Responses »
Aug 202014
 

Aaron Bertrand (@AaronBertrand) of SQL Sentry takes a closer look at some additional requirements for typical grouped concatenation queries in SQL Server.

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 Tagged with: concatenation, FOR XML PATH, group_concat

Comparing Windows Azure VM Performance, Part 2

 Posted by Glenn Berry on August 14, 2014  2 Responses »
Aug 142014
 

Glenn Berry (@GlennAlanBerry) of SQLskills demonstrates that the latest Azure VMs are a huge performance improvement over previously available hardware.

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 Tagged with: azure, Geekbench, virtual machine, virtualization

Recommended Intel Processors for SQL Server 2014 Workloads

 Posted by Glenn Berry on August 8, 2014  2 Responses »
Aug 082014
 

Glenn Berry (@GlennAlanBerry) of SQLskills continues his series on hardware selection, outlining his recommended processors from Intel for your SQL Server 2014 workloads.

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 Tagged with: hardware, processors, SQL Server 2014

Grouped Concatenation in SQL Server

 Posted by Aaron Bertrand on August 6, 2014  9 Responses »
Aug 062014
 

SQL Sentry's Aaron Bertrand (@AaronBertrand) shows the safest and most efficient ways to perform grouped concatenation in SQL Server.

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 Tagged with: array_agg, concatenation, group_concat, string_agg, xmlagg

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