Learn how to enhance a Deno REST API by integrating PostgreSQL and implementing Denon in this follow-up tutorial. Explore PostgreSQL setup, database configuration, and client initialization. Master CRUD operations including extracting, adding, fetching, updating, and deleting products. Build upon the original Deno crash course to create a more robust and scalable API. Access the provided GitHub repository for code examples and follow along with step-by-step instructions to improve your Deno and PostgreSQL skills.