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.

