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How Does a Vector Database Work?

This story is from 2026-09-25. It is preserved in the archive; the latest stories are on the live feed.

Most explanations of vector databases turn into a wall of math. Here's the one-minute version instead. The idea, in one sentence A vector database doesn't store words — it stores meaning, as a list of numbers, so it can find things that are similar in meaning even when they don't share a single key…

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  1. 2026-09-25 11:19 · DEV Community — AI
    How Does a Vector Database Work?

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