The Deconstructed Database and the Advent of the Open Data Lake

[2025 - Day 3 - Keynote] Julien Le Dem shares insights from his years of experience building the deconstructed database vision, exploring how the big data ecosystem has evolved into a composable architecture organized around open source standards. This talk offers valuable guidance on leveraging interoperable components like Parquet, Arrow, and Iceberg to avoid vendor lock-in, particularly relevant for architects designing data systems or engineers building specialized query engines. ABOUT THE SPEAKER: Julien Le Dem, Principal Engineer, Datadog 👉 Sign up for our "No BS" Newsletter to get the latest technical data & AI content: https://datacouncil.ai/newsletter ABOUT DATA COUNCIL: Data Council brings together the brightest minds in data to share industry knowledge, technical architectures and best practices in building cutting edge data & AI systems and tools. FIND US: Twitter: https://twitter.com/datacouncilai LinkedIn: https://www.linkedin.com/company/datacouncil-ai/ Website: https://www.datacouncil.ai/