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Discover proven strategies and best practices for migrating from legacy data warehouses to modern lakehouse architectures in this comprehensive conference presentation from AWS re:Invent 2025. Learn how to overcome common challenges that slow innovation, including outdated code, data silos, and costly migration processes that often create uncertainty and delays. Master essential techniques for profiling and assessing source systems to understand your current data landscape, then explore automated approaches for converting legacy SQL at scale to reduce manual effort and human error. Understand critical validation methods to ensure data integrity throughout the migration process and avoid costly surprises that can derail projects. Follow a complete end-to-end migration methodology that covers every phase from initial discovery through final reconciliation, designed to reduce risk, improve predictability, and accelerate migration timelines by up to 50%. Whether you're planning to migrate a single system or managing multiple complex data warehouse environments, gain practical tactics and actionable insights to streamline your modernization journey. This presentation, delivered in partnership with Databricks as an AWS Partner, provides real-world guidance for organizations looking to transform their data infrastructure and unlock the benefits of modern lakehouse architecture.
