I’ve used SQL window functions for years, but I’ve never fully understood framing. To truly master window functions, you need at least a basic grasp of framing and how to apply it to your queries. Framing is especially helpful when working with aggregate functions. How can you overcome this hesitation to try framing?
2025-12-26
You’re a developer responsible for maintaining a SQL Server database used to feed data to Power BI. You realize that some tables don’t have a modifiedDate column and some do. Also, you know the data is updated by the application as well as other processes which makes the modifiedDate unreliable. This is because it may not always be updated when data changes. You need a way to track data changes to ensure only changed rows are updated on reports in Power BI.
2025-12-24
First off, I understand if you read the headline and you have a knee-jerk reaction. I totally understand that there are a lot of people out there who hate AI, and believe me, I hate most uses of it. Lots of its advice can be misleading at best, and absolute garbage at worst.
2025-12-22
SQL Server 2025 includes new features and enhancements. In the previous SQL Server 2025 tips, we have explored many new features. Have you explored the new Product() function? If not, this will walk you through the Product() function with several examples.
2025-12-19
Securing SQL Server isn’t complicated, but it does require consistent attention to the areas where real risks arise, such as privileges, configuration, encryption, patching, and monitoring. This article outlines 15 practical, high-impact steps you can take to harden your SQL Server environment.
2025-12-17
In last week’s Query Exercise, I challenged you to play some code golf to generate big spills with tiny T-SQL.
2025-12-15
Batched deletions are a common strategy in SQL Server to manage large datasets without overloading the system, but poorly tuned deletes can cause blocking, long-running transactions, and heavy log usage. Learn how to monitor and optimize these processes for smooth, efficient database performance.
2025-12-12
You are a developer using SQL Server for your applications, and you need to quickly setup a local development environment. How can you make sure the environment is OS agnostic, so it can run on any operating system? Let’s see how we can quickly create a local container to run SQL Server using the VSCode MSSQL Extension.
2025-12-10
Code refactoring is a common process when developing in procedural languages – and essential to developing high-quality code – yet somehow often gets overlooked in SQL.
2025-12-08
SQL Server 2025 and .NET 10 bring several new improvements to storing JSON natively in the database and querying it quickly.
2025-12-05
By Vinay Thakur
Continuing from Day 5 where we covered notebooks, HuggingFace and fine tuning AI now...
By Steve Jones
This is kind of a funny page to look at. The next page has...
A while ago I blogged about a use case where a pipeline fails during...
I have a table I didn't design that has tons of repeating groups in...
Comments posted to this topic are about the item Writing as an Art and...
Comments posted to this topic are about the item String Similarity II
What is the range for the result from the EDIT_DISTANCE_SIMILARITY() function in SQL Server 2025?
See possible answers