This document explains the sources and targets available for data migration and the migration types you can use when configuring a migration task.
Data migration supports migrating data from the following sources to targets.
|On-premises databases in IDC||
|ECS instance databases||
|Redis instances in classic networks||
A complete data migration process includes the following migration types: scheme migration, existing data migration, and incremental replication. When creating a data migration task, you must select the migration types based on your requirements.
Different migration specifications support different migration types, as shown in the following table.
|Specification||Schema Migration||Existing Data Migration||Incremental Data Replication|
|Oracle > RDS for MySQL||Support||Support||Not supported|
|MySQL > RDS for MySQL||Support||Support||Support|
|SQLServer > RDS for SQLServer||Support||Support||Support|
|PostgreSQL > RDS for PostgreSQL||Support||Support||Support|
|Redis > Redis||Support||Support||Support|