Parameter Sniffing on SQL Server 2025: A Walkthrough with Real Numbers
This article looks at how the parameter sniffing performance problem can be helped in SQL Server 2025 with PSPO.
2026-09-28
2,570 reads
Parameter Sniffing
Parameter Sniffing in SQL Server 2019: Adaptive Memory Grants
This week, Brent is demoing SQL Server 2019 features that he's really excited about, and they all center around a theme we all know and love: parameter sniffing.
2019-04-26
Troubleshooting Parameter Sniffing Issues the Right Way: Part 1
Tara Kizer explains that many of you are troubleshooting Parameter Sniffing issues the wrong way in production. In this three-part series, she will show you how to troubleshoot it the right way.
2018-03-30
3,974 reads
Parameter Sniffing In Action
This article will demonstrate what is parameter sniffing and how can it can kill performance
2017-10-24
2,181 reads
2013-10-17
2,737 reads
Parameter Sniffing and Sniffing Memory
This article aims to demonstrate bad parameter sniffing and its effects on memory grants.
2013-07-15
7,245 reads
Avoiding Parameter Sniffing in SQL Server
Parameter sniffing is when SQL Server compiles a stored procedure’s execution plan with the first parameter that has been used and then uses this plan for subsequent executions regardless of the parameters.
2013-06-20
5,269 reads
Blogs
Announcements from the Microsoft Fabric Community Conference — Barcelona 2026
By James Serra
Microsoft shared a broad set of Fabric, Power BI, and SQL updates at FabCon...
Au Revoir for now
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
Forums
Let's Talk Certifications
Comments posted to this topic are about the item Let's Talk Certifications, which is...
Force join by longest possible choice
Title pretty much says it. I want to join to a table that has...
Building a SQL Server Fleet Audit That Leadership Actually Reads
Comments posted to this topic are about the item Building a SQL Server Fleet...
Question of the Day
RegEx Functions IV
I have this data in a table in a SQL Server 2025 database:
EmailAddressID EmailAddress 7 [email protected] 8 [email protected]If I run this query, which row(s) are returned?
SELECT top 10 * FROM person.EmailAddress WHERE REGEXP_LIKE(EmailAddress, '^D', 'i') AND BusinessEntityID IN (7,8)See possible answers