Data Practitioner's Guide to Cloud Database Migration

This guide focuses on cloud database migration, which involves transitioning legacy databases or warehouses from on-premise systems to cloud environments, such as relational databases or data warehouses. It outlines the advantages of migrating to the cloud, including scalability, cost savings, reliability, and improved security. The guide details several migration strategies, with parallel live migration being highlighted as a preferred approach due to its ability to maintain synchronization between old and new systems. It also addresses common mistakes to avoid during migration and emphasizes the importance of consulting experts to tailor the process to specific organizational needs. By discussing various stages of migration and considerations for data management, this document aims to assist organizations in effectively navigating cloud database transitions and mitigating potential challenges associated with this complex process.