RAG & Vector Database Design

Summary

A frequent deep-dive topic given how common RAG systems are in production — expect questions on chunking strategy, retrieval quality, and scaling a vector index.

• 1Be ready to walk through your own RAG project's design decisions in detail.
• 2Practice explaining chunking, hybrid search and reranking trade-offs clearly.
• 3Prepare an answer for 'how would you evaluate whether your RAG system is actually good.'