As cloud adoption accelerates globally, enterprises are increasingly turning to cloud-native databases to enhance scalability, reduce costs, and simplify database management. Alibaba PolarDB, a next-generation relational database developed by Alibaba Cloud, has become a popular choice due to its high performance, compatibility with MySQL, PostgreSQL, and Oracle, and its separation of compute and storage architecture. Migrating to PolarDB, however, involves careful planning and understanding of the various migration paths available.