Find Duplicate Rows in SQL Server with a CTE
This tip demonstrates how find and list allf duplicate rows in a dataset using a Common Table Expression (CTE).
2026-03-04
Additional Articles
Python is good, but not perfect – here are 10 reasons to avoid it
Four years ago I wrote a blog on this site explaining why Python is better than C# and, arguably, most other programming languages. To redress the balance, here are 10 reasons why you might want to avoid getting caught up in Python’s oh-so-tempting coils – particularly when building large, long-lived systems.
2026-03-02
SSMS 22 Offline Installation
Beginning with SQL Server Management Studio 21, Microsoft stopped providing the direct download package/binaries to install SSMS, instead it just downloads the SSMS installer. This installer then starts the installation of SSMS and downloads what is needed to install SSMS. Sometimes there may be a need to do an offline installation where you do not have access to the internet. In this article, we walk through the steps to do an offline install of SSMS.
2026-02-27
SQL Server 2025 CREATE EXTERNAL MODEL and AI_GENERATE_EMBEDDINGS Commands Explained
Now that SQL Server 2025 has finally been released to the public, I was finally able to test and learn a lot about this command (named CREATE EXTERNAL MODEL), and I want to share my knowledge with you here. If you’re new to the world of AI, don’t worry, we’ll start with the basics and evolve to where this command fits in!
2026-02-25
Microsoft Fabric and MQTT for Real-Time IoT Data Ingestion and Analytics
Microsoft Fabric is a unified platform for data integration, data engineering, real-time intelligence, and advanced analytics. Fabric is known for providing an integrated way of working with your data, connecting to many diverse types of sources and across the data landscape. How do we get started ingesting and analyzing real-time data streamed over the MQTT protocol?
2026-02-23
I Just Don’t Understand Why You Don’t Update SSMS.
A long time ago in a galaxy far, far away, SQL Server Management Studio was included as part of the SQL Server installer.
2026-02-20
Azure Functions: The Serverless Powerhouse
Today’s organization are faced with multiple conflicts for their current cloud infrastructures and which approach to go with either opting for a microservice or monolith applications. However, there are numerous difficulties with standard hosting methods.
2026-02-18
Securing Your Databases in 2026: Best Practices for the Evolving Threat Landscape
In 2026, your approach to both applications and databases must be focused on practical and technical real-world operations and use cases rather than just hype.
2026-02-16
Exploiting SQL Server Date Correlation Optimization: How Tampered Backups Enable Cross-Database Data Leaks
This article reveals a critical SQL Server flaw: attackers can weaponize Date Correlation Optimization (DCO) views in restored backups
2026-02-13
Using REGEXP_COUNT to Count Strings in SQL Server 2025
We need to find out how many times certain strings appear in a column. We’ve used the LEN and REPLACE functions for years, but recently heard about REGEXP_COUNT and want to evaluate it, since we plan to upgrade to SQL Server 2025. How can we test this new feature?
2026-02-11
Blogs
A Pursuit of Lifelong Learning
By Brian Kelley
The following came across my YouTube feed today. It’s an interview with General James...
Advice I Like: Time and Focus
By Steve Jones
“You don’t need more time because you already have all the time that you...
Book Review: Microsoft 365 Copilot and Agent Administration Fundamentals
I don’t currently manage Microsoft 365 Copilot in an enterprise environment, but it is...
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DML Trigger Types
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PostgreSQL in action with Opensearch
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Question of the Day
DML Trigger Types
How many types of DML triggers are there?
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