2018-05-30 (first published: 2018-01-03)
2,397 reads
2018-05-30 (first published: 2018-01-03)
2,397 reads
When your application is running slowly, the reflex action is to blame the database queries. It is certainly true that some of the more extravagant delays can be fairly blamed on a missing index or unnecessary locking, but there are other potential villains in the drama, including the network and the application itself. Dan Turner points out that you could save a lot of time and money by working out for sure where the problems lie before diving into the detail.
2017-11-02
7,358 reads
A SQL Server, SQL Azure and Hekaton performance bench marking application that uses patterns.
2019-06-14 (first published: 2017-10-19)
4,433 reads
Any DBA who is trying to find the cause of an intermittent problem with a server or database dreams of being able to use a query or procedure take a snap of the relevant variables at the point when the problem occurred. Laerte takes an example of a slow-running query hogging resources to show that you can run queries when a WMI alert is fired, and save the results for later inspection, whenever it happens.
2017-09-20
4,188 reads
Erik Darling explains why your queries aren't scaling in production.
2017-09-06
5,344 reads
Aaron Bertrand shows a quick demo that illustrates why you should be very careful about oversizing varchar / nvarchar columns.
2017-08-02
8,420 reads
Aaron Bertrand shows a quick demo that illustrates why you should be very careful about oversizing varchar / nvarchar columns.
2017-07-13
7,641 reads
2017-07-10
878 reads
Derik Hammer sets out to disprove another pervasive performance myth : TRUNCATE is faster than DELETE because it isn't logged and can't be rolled back.
2017-06-01
4,663 reads
Guest author Derik Hammer dismisses the common myth that table variables perform better than temp tables because they are always in memory.
2017-05-11
5,730 reads
By Steve Jones
Thanks to everyone that came to my talks. Slides are below. Best Practices for...
By Steve Jones
I can’t remember how I heard about Small Data SF 2024, but it caught...
By Steve Jones
moledro – n. a feeling of resonant connection with an author or artist you’ll...
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