This article was featured in the July 31, 2026, edition of the IBM Think newsletter. Get it in your inbox.
Reimagining Database Interaction
For those who have attempted to grasp the intricacies of a database, the experience often involves navigating a labyrinth of arrows, boxes, and abstract concepts that can leave one feeling more bewildered than enlightened. Software engineer Nik Samokhvalov sought to change this narrative. Rather than relying on traditional architecture diagrams, he created PGSimCity, a captivating visualizer inspired by the beloved city-building game, SimCity.
PGSimCity transforms the open-source database PostgreSQL into a vibrant, explorable environment. Users can navigate the city from an aerial perspective, utilizing gaming-style WASD keys to traverse the landscape. As you explore, transactions manifest as small, orderly rock-like animations flowing through the streets, while background processes diligently execute their tasks in the distance. The experience allows for interactive engagement; users can trigger various database events and observe the city’s dynamic response. Samokhvalov’s GitHub repository provides a comprehensive list of controls, including a walk mode that immerses users at street level, creating an atmosphere reminiscent of Blade Runner with data zipping by at eye level.
According to Samokhvalov’s reflections on Hacker News, the inception of this project stemmed from a single prompt to Claude, fueled by curiosity about the model’s capabilities. What began as a simple inquiry evolved into a substantial endeavor, culminating in an impressive 3.86 billion tokens of AI-assisted coding—a testament to the ambitious nature of the project. This frenetic pace may reflect the very essence of PGSimCity, a simulation designed to illustrate the cognitive processes of databases, crafted by a different kind of thinking machine.
The project is open source, presenting opportunities for adaptation to elucidate other complex technologies. One insightful commenter on Hacker News even proposed extending this concept to encompass Kubernetes and cloud computing. Why not? For decades, we have grappled with the challenge of explaining invisible software through clumsy diagrams. Perhaps it is time to embrace a more intuitive approach—creating immersive environments that invite exploration and understanding.
