This session will guide attendees through the essential considerations for selecting and implementing vector databases and rerankers to achieve highly accurate and reliable AI. We'll explore how vector database choice directly impacts the factuality of Retrieval-Augmented Generation (RAG) systems, present best practices for deployment and tuning across various use cases, and share real-world success stories from the finance, insurance, and healthcare sectors, demonstrating how precision in information retrieval is crucial for critical enterprise AI.