Infrastructure

Vector Database

Also known as: vector db, vector store

In one line

A database designed to store and search embeddings by meaning.

What does Vector Database mean?

Vector databases (Pinecone, Weaviate, pgvector) index embeddings and return the nearest matches to a query vector. They power RAG, semantic search, and recommendation.

A real-world example

Storing 10,000 support articles as embeddings so a chatbot can find the closest 5 to any question in milliseconds.

Related terms