# Vector Databases

> Similarity search, approximate nearest neighbours, and vector database systems for production RAG.

![Status: complete](https://img.shields.io/badge/status-complete-brightgreen)

Open [`07-vector-databases.ipynb`](./07-vector-databases.ipynb) for learning objectives, prerequisites, and recommended reading order.

## Topics Covered

- FAISS, Chroma, Pinecone, Weaviate, and Qdrant
- ANN algorithms: HNSW, IVF, and PQ
- Metadata filtering and hybrid search
- Indexing and query performance trade-offs

## Prerequisites

[05-embeddings/README.md](../05-embeddings/README.md)

## What Comes Next

[08-rag/README.md](../08-rag/README.md)
