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Performance Surprises and Assumptions : SET NOCOUNT ON

 Posted by Aaron Bertrand on February 26, 2016  26 Responses »
Feb 262016
 

Aaron Bertrand (@AaronBertrand) revisits the impact that eliminating DONE_IN_PROC messages using SET NOCOUNT ON may or may not have on query performance.

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 Tagged with: DONE_IN_PROC, NOCOUNT

Minimizing impact of widening an IDENTITY column – part 3

 Posted by Aaron Bertrand on February 17, 2016  3 Responses »
Feb 172016
 

Aaron Bertrand (@AaronBertrand) continues his series on upsizing an IDENTITY column from INT to BIGINT – this time focusing on workarounds.

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 Tagged with: identity, reseed

Minimizing impact of widening an IDENTITY column – part 2

 Posted by Aaron Bertrand on February 11, 2016  2 Responses »
Feb 112016
 

Aaron Bertrand (@AaronBertrand) continues his series on upsizing an IDENTITY column from int to bigint, detailing several challenging obstacles.

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 Tagged with: alter column, alter table, data types, identity

Sparse Columns in SQL Server : Impact on Time & Space

 Posted by Erin Stellato on February 5, 2016  No Responses »
Feb 052016
 

Erin Stellato (@erinstellato) looks into sparse columns in SQL Server – the changes to space requirements and the impact on the write portion of your workload.

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 Tagged with: sparse columns

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