Using psycopg2 to Connect Python to PostgreSQL
Learn how to connect to a PostgreSQL database from Python with this popular library.
Why CQRS and Event Sourcing Are Gaining Ground in High-Concurrency Web Systems
In web app development company boardrooms, architects and engineers are debating old assumptions. Scaling up isn’t just about faster servers or better caching anymore. It’s about reshaping how systems think. CQRS (Command Query Responsibility Segregation) and Event Sourcing are no longer fringe ideas. They’re becoming default choices in high-concurrency systems where consistency, auditability, and performance […]
Working with Indexes on SSMS
Overview In SQL Server, indexing is a technique used to improve the performance of queries by reducing the amount of data that SQL Server needs to scan. You can think of it like a table of contents in a book—it helps SQL Server find data more quickly. In this article, we will cover the following […]
Yet another Date Dimension
Evolution of code The thing with any bit of code that has been around for a while, is that when change comes along, the tendency is to cater for the change by adding new stuff, while nothing gets taken away. Some stuff has definitely been taken away from this Date Dimension, but some historical artefacts […]
Add a Second NIC for an Availability Group to Separate Network Traffic
Introduction Sometimes we face the scenario in an enterprise environment that the database in SQL Server Always On Availability Group (AOAG) has high concurrency read and write access from application servers. If we keep using the one network interface card for both network traffic of database connections from application servers and database mirroring between AOAG […]
How Much Can You Learn?
This Friday Steve Jones wonders about the upper limits for what you may learn in a year.
Picking the ON or WHERE Clause for the SQL Predicate
Helping people solve T-SQL problems is one of my favorite hobbies. Someone messaged me the other day with a complex query that was almost complete except for one issue. He needed to perform a LEFT OUTER JOIN but had to filter based on a value from the right table. However, when he added the filter, SQL removed rows from the left table. The task was to decide where to place the SQL predicate: in the ON or WHERE clause.
Data Sovereignty in the Cloud
Steve has a few thoughts on the lack of data sovereignty in the cloud, with an outlook that isn't very positive.
What is Delayed Durability in SQL Server — And Should You Turn It On?
Learn about delayed durability in SQL Server and how it might help you with a heavily loaded server.
DevOps vs. SRE: Bridging the Gap, Not Building Walls
In Part 2, we shift focus from theory to practice. We will explore how organizations can harmoniously integrate both practi: the agility of DevOps and the resilience of SRE. During integration, it requires deliberate changes to culture, tooling, metrics, and collaboration patterns.
Blogs
A New Word: on tenderhooks
By Steve Jones
on tenderhooks – adj. feeling the primal satisfaction of being needed by someone, which...
Ramblings about data communities and your contributions, no excuses
By DataOnWheels
I have been active in the data community throughout my career. I have met...
SQL Server Journey till 2025 (brief)
By Vinay Thakur
Quick Summary for Microsoft SQL Server till 2025, I am fortunate to be part...
Forums
Simulating Mercury’s Orbital Motion Using Pure T-SQL (NASA 2025 Dataset)
SQL Server is typically viewed as a transactional or analytical database engine. However, it...
Azure SQL Database | CREATE EVENT SESSION [Blocking_Capture] ON DATABASE
Hello, Is there a way in Azure SQL Database to change the 'Blocking Process...
Having a Little Fun at SQL Server Central
Comments posted to this topic are about the item Having a Little Fun at...
Question of the Day
String Similarity I
On SQL Server 2025, when I run this, what is returned?
SELECT EDIT_DISTANCE_SIMILARITY('SQL Server', 'MySQL') See possible answers