How to Calculate Distance Between Coordinates in SQL Server
Learn a quick way to calculate distances without resorting to spatial calculations.
2026-05-08
2,574 reads
SQL Server
Defining the Deployment Contract: Stairway to Reliable Database Deployments Level 2
Level 2 formalizes the behavioral guarantees that a changeset must provide in order to be safely deployed and rolled back. It introduces the deployment contract, checkpoint semantics, and the structural scope of Create and Rollback scripts. Data changes are addressed through a dedicated Update mechanism, with clear boundaries and limitations. By the end of this level, a changeset becomes a predictable and well-defined unit that can be reasoned about independently of execution context.
2026-05-06
1,343 reads
Understanding Deadlock Victim Selection in SQL Server
A short introduction to how deadlocks work and how you can affect their behavior inside your system.
2026-07-13 (first published: 2026-05-01)
3,243 reads
T-SQL Trigonometric Functions in SQL Server
Introduction SQL Server includes several built-in mathematical functions that allow developers to perform complex calculations directly within queries. Among these are trigonometric functions such as SIN(), COS(), and TAN(), which are useful in scenarios involving engineering calculations, geographic data processing, simulations, and analytics. Although these functions are straightforward to use, developers occasionally encounter unexpected results […]
2026-04-29
2,554 reads
Designing Database Changes Before Deployment: Stairway to Reliable Database Deployments Level 1
Stairway to Reliable Database Deployments introduces a progressive approach to managing database changes with clear intent, predictable rollback, and explicit behavioral guarantees. Starting from change design and moving toward execution and coordination in complex environments, the Stairway provides a conceptual framework for deploying database changes safely and consistently, independent of specific tools or automation platforms.
2026-04-15
2,121 reads
Creating a Simple and Flexible Random Password Generator in SQL Server
Generating temporary passwords is a common requirement in many applications. Users may need to reset a forgotten password, new accounts may require an initial password, or developers may generate test credentials. While password generation is often implemented in application code, doing it directly in SQL Server provides clear advantages. It centralizes the logic, ensures consistency […]
2026-04-10
2,459 reads
2025-11-21
177 reads
SQL Automate - A DBA's Time-Saving Toolkit
SQLAutomate is a lightweight PowerShell tool that simplifies SQL Server deployment by automating both installation and post-installation configuration. Whether you're setting up one instance or dozens, this guide shows how to use SQLAutomate to save time and reduce manual work.
2025-06-06
10,857 reads
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
2,433 reads
How to Safely Remove a SQL Server Data File Without Downtime
Learn how to safely remove a SQL Server .ndf data file without any downtime using DBCC SHRINKFILE (EMPTYFILE). This hands-on tutorial walks through real-world Azure-based setup, data redistribution, and storage cleanup — ideal for DBAs managing enterprise SQL Server environments.
2025-05-16
3,340 reads
Blogs
The #MS_DatabaseConnector## Role: #SQLNewBlogger
By Steve Jones
I had seen these roles in various instances, but never dug into the new...
Asking for Help Isn’t a Weakness
By Brian Kelley
During COVID, I attended training on software/enterprise architecture given by Mark Richards. One of...
The Proof of the Backup Is in the Pudding
For me, the objective is straightforward: have a backup strategy that is reliable, understandable,...
Forums
Pay for Performance
Comments posted to this topic are about the item Pay for Performance, which is...
Access + ODBC Driver 18 + SQL Server 2025: ~150–250 ms per request
Has anyone encountered recurring request latency when using Microsoft Access with SQL Server 2025...
The ##MS_DatabaseConnector## User
Comments posted to this topic are about the item The ##MS_DatabaseConnector## User
Question of the Day
The ##MS_DatabaseConnector## User
On SQL Server 2025, I run this code as a sysadmin:
CREATE LOGIN Demo WITH PASSWORD = 'Demo1234567' GO ALTER SERVER ROLE ##MS_DatabaseConnector## ADD MEMBER Demo GOI then login as Demo and run this:
USE sandbox go SELECT CURRENT_USERWhat is returned? See possible answers