# Context and Knowledge Management
Read: What is a context window—and why does it matter? | Zapier
# Retrieval-Augmented Generation (RAG)
# Using RAG and Vector Database
Watch (and optionally follow along either locally or on Google Colab) with the following sections of Advanced Retrieval for AI with Chroma (deeplearning.ai):
- Introduction
- Overview
- Pitfalls
- Query Expansion
- (Optional) Cross-encoder re-ranking
- (Optional) Embedding adaptors
- (Optional) Other techniques