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Is NoSQL Dead? What Really Happened to the Database Everyone Was Obsessed With
Why MongoDB-style databases dominated the 2010s, why they went quiet, and how to choose between NoSQL and Postgres today.
There was a time when saying “we use MongoDB” made you sound like you were building the future. Conference talks, tutorials, and bootcamps all pushed NoSQL. A famous parody even joked about how “web scale” it was.
Then it got quieter. New projects started with Postgres by default, and the NoSQL buzz faded.
So what happened? Is NoSQL dead? The short answer is no, but the story behind it explains how to pick the right database today.
Why NoSQL Exploded Around 2009
The timing matters. Around 2009, Node.js arrived, and JavaScript started moving from the browser to the server. Soon the same language ran your frontend, your backend, and your tooling.
JavaScript’s natural data format is JSON, and that’s where NoSQL fit perfectly. Document databases like MongoDB store data as JSON-like documents. Your app asks for something, the database returns a JSON object, and your JavaScript code uses it directly. No translation layer is needed.
