It’s 2026, Just Use Postgres
Think of your database like your home. Your living room, bedroom, kitchen, garage: each room serves a different purpose, but they're all under one roof. You don't build a restaurant across town because you need to cook dinner. You don't rent a commercial garage to park your car.
Postgres works the same way. Search, vectors, time-series, queues, documents, all rooms in one house. Same roof, foundation, and key.
But specialized database vendors have spent years telling you otherwise. "Use the right tool for the right job," they say. It sounds reasonable and wise. And it sells a lot of databases.
The "Right Tool" Trap
You follow the advice. You adopt Elasticsearch for search, Pinecone for vectors, Redis for caching, MongoDB for documents, Kafka for queues, InfluxDB for time-series. Postgres handles whatever's left.
Congratulations. You now have seven databases to manage. Seven query languages to learn. Seven backup strategies to maintain....
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