This topic describes the methods that you can use to migrate data among self-managed data centers, third-party clouds, and ApsaraDB RDS with no downtime.

Scenario References
Migrate data from a PostgreSQL database in a self-managed data center to an ApsaraDB RDS for PostgreSQL instance
Migrate data from a PostgreSQL database on a third-party cloud to an ApsaraDB RDS for PostgreSQL instance
Migrate data between ApsaraDB RDS for PostgreSQL instances
Migrate data from an ApsaraDB RDS for PostgreSQL instance to an on-premises PostgreSQL database