Post-migration Validation and Optimization Guide
SQL Server post migration step is very crucial for reconciling any data accuracy and completeness, as well as uncover performance issues with the workload.
SQL Unit Testing reference guide for beginners
In this article, we are going to learn the basics of SQL unit testing and how to write a SQL unit test through the tSQLt framework.
Understanding Power BI Security Options - Row-Level, Column-Level and Object-Level Security
In this article, learn how to control access levels to various data and parts of Power BI reports using row-level security as well as column and object-level security.
Advice for Business
Some advice from Steve and Sam Altman, whether you work in business or want to build one.
Machine learning K-Means applied to SQL Server data
This article shows how to use Python to access data in SQL Server and produce a K-Means analysis with a chart.
Using a SQL Tokenizer
Imagine this: you have several directories full of SQL script files, and you need to know where a certain table is used. You’d rather like the context too, so you can check the whole SQL Expression and work out why it is running so slowly.
Has AI Changed Software Development?
Generative AI is everywhere, but especially in software development. Is it helping us? Steve has a few thoughts.
Dijkstra's Algorithm
Introduction This article celebrates a classic algorithm [1] of Dijkstra (1930 – 2002) which finds a path of minimal cost between any pair of nodes in an undirected graph. His procedure is widely recognized as a fundamental tool for examining communication and transportation networks (eg. Google Maps) and is surprisingly simple. By his own admission, […]
Projects To Showcase Your Skills
A good way to showcase your skills is by working through and documenting a project and solution. Steve notes today that this is important in today's hiring market and asks for sample projects you might suggest for others.
Interesting Aurora MySQL Feature: The Buffer Pool Survives Restarts
Lemme start this off by saying this is probably irrelevant to you. (It’s irrelevant to me, too.)
Blogs
Setting Up a Mac for Data Engineering and AI Work
If you work with data pipelines, SQL, notebooks, or machine learning models, a Mac...
Want to look at cloud reporting but not sure what the costs will be?
By ChrisJenkins
Have you been thinking about migrating your reporting to Microsoft Fabric or Snowflake but...
The Joyful Craftsmen and the Revolt BI join forces
The Joyful Craftsmen has become the new owner of Revolt BI. The merger creates...
Forums
SQL Art, Part 4: Happy 4th of July — A British DBA's Guide to Celebrating a War We Don't Talk About
Comments posted to this topic are about the item SQL Art, Part 4: Happy...
SQL Server Enum Implementation: A Single-Row View Strategy for Avoiding Magic Values
Comments posted to this topic are about the item SQL Server Enum Implementation: A...
BIT_COUNT I
Comments posted to this topic are about the item BIT_COUNT I
Question of the Day
BIT_COUNT I
In SQL Server 2025, I have a table (dbo.UserPermission) that contains this data:
UserID UserPermissions 15 23 37What is returned when I run this code:
select bit_count(UserPermissions) as PermissionCount from dbo.UserPermission where UserID = 3;See possible answers