Analyzing Tempdb Spills and Usage Across Recursive Queries
This article examines how tempdb is affected by recursive queries, using a few different methods.
2025-05-23
2,379 reads
database performance
Batch Execution Mode on a Rowstore in SQL Server 2022
Batch execution mode is a new optimization feature in SQL Server. In this Article, we'll explore how Batch execution mode works and how you can use it to get faster query results on Rowstore data.
2023-10-30
5,028 reads
GENERATE_SERIES() Breaks Minimal Logging
tl;dr The title says it all. Prologue One of the keys to my personal learning is that, very early in my database career, I taught myself how to make lot’s of rows of Random Constrained Data in a comparatively short time. With the help of a few good folks over time, the method has been […]
2026-09-07 (first published: 2023-09-18)
6,051 reads
Performance Tuning Using Free Tools
You can do essential performance tuning on your SQL Server databases using a FREE toolkit!
2021-12-17
6,752 reads
A simple use case for Columnstore Indexes in SQL Server
In this article we look at different use cases for columnstore indexes like when performing SQL Server count * queries.
2020-01-17
2019-10-28
7,316 reads
Blogs
Au Revoir for now
By Steve Jones
No, I’m not quitting or retiring. Just going on vacation, but I leave tonight...
The SUM of Nothing: #SQLNewBlogger
By Steve Jones
I caught this interesting item over on Pinal Dave’s blog: Eleven Interview Questions that...
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Building a SQL Server Fleet Audit That Leadership Actually Reads
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Smart AI Agents and Data Security
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RegEx Functions IV
Comments posted to this topic are about the item RegEx Functions IV
Question of the Day
RegEx Functions IV
I have this data in a table in a SQL Server 2025 database:
EmailAddressID EmailAddress 7 dylan0@ADVENTURE-WORKS.COM 8 Diane1@ADVENTURE-WORKS.COMIf 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