Performance tuning

SQLServerCentral Article

Performance Tuning with SQLFacts Tools

  • Article

The need for performance tuning your SQL Server workloads has never been more critical. As workloads are moved into cloud services, their efficiency has a direct impact on the recurring bills. A workload that consumes more resources than necessary costs more to host in the cloud and affects the bottom line for your organization.

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2023-04-07

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SQLServerCentral Article

Optimize Your SQL by Reformulating the Spec

  • Article

As SQL developers, we tend to think of performance tuning in terms of crafting the best table indices, avoiding scalar and table valued functions, and analyzing query plans (among other things). But sometimes going back to the spec and applying some properties of elementary math can be the best way to begin to improve performance of SQL queries which implement mathematical formulas. This article is a case study of how I used this technique to optimize my SQL implementation of the Inverse Simpson Index.

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2021-05-07 (first published: )

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The Basics - Level 1 of the Stairway to Query Store

  • Stairway Step

Introduction Instead of going straight into the topic of the Query Store, I would like to start this Stairway Series by mentioning a few performance tuning scenarios that are very common to production DBAs. I think most of us have been in one of these situations at some time: An application experiencing slowness after a […]

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2020-10-07 (first published: )

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Question of the Day

Writing to Clones

I run this code on SQL Server 2019:

DBCC CLONEDATABASE(imdb, imdb_dev)
I then change to the cloned database, imdb_dev, and run some queries. I then run this code while testing:
INSERT dbo.Title (TitleID, Title, DateReleased) VALUES (3234, 'Maestro', '2023')
GO
What happens?

See possible answers