2018-02-28 (first published: 2018-01-10)
3,094 reads
Performance
2018-06-12 (first published: 2018-01-03)
1,972 reads
2018-05-30 (first published: 2018-01-03)
2,507 reads
Why is My Database Application so Slow?
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
SQL Server Performance Benchmarking with Patterns
A SQL Server, SQL Azure and Hekaton performance bench marking application that uses patterns.
2019-06-14 (first published: 2017-10-19)
4,996 reads
Investigating the Cause of SQL Server High CPU Load Conditions When They Happen
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
Five Mistakes Performance Tuners Make
Erik Darling explains why your queries aren't scaling in production.
2017-09-06
5,344 reads
Performance Myths : Oversizing string columns
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
Performance Myths: Oversizing string columns
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
889 reads
Blogs
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Forums
Where Your Value Separates You from Others
Comments posted to this topic are about the item Where Your Value Separates You...
Fixing the Error
Comments posted to this topic are about the item Fixing the Error
T-SQL in SQL Server 2025: Encoding Functions
Comments posted to this topic are about the item T-SQL in SQL Server 2025:...
Question of the Day
Fixing the Error
On SQL Server 2025, I have a database that has this collation: SQL_Latin1_General_CP1_CI_AS. I decide I want to run this code:
SELECT UNISTR('*3041*308A*304C*3068 and good night', '*') AS 'A Classic';
I get this error:Msg 9844, Level 16, State 4, Line 24 The char/varchar input type uses an unsupported collation. Only a UTF8 collation is supported with char/varchar input type in UNISTR function.What is the easiest way to fix this error? See possible answers