This section introduces the available sources and targets for data migration and the available migration types for data migration specifications.
Data migration supports many popular databases as source and target. The following table illustrates the available specifications of data migration task in DTS.
|On-premises databases in IDC||
|ECS instance databases||
|RDS instance databases||
|Redis instance databases in classic network||
The complete data migration process includes three migration types: scheme migration, existing data migration, and incremental replication. When you create a data migration task, you can determine which one (or multiple) migration types to carry out based on your requirements.
Different migration specifications support different migration types, as illustrated in the following table.
|Specification||Schema migration||Existing data migration||Incremental data replication|
|Oracle > RDS for MySQL||Yes||Yes||No|
|MySQL > RDS for MySQL||Yes||Yes||Yes|
|SQLServer > RDS for SQLServer||Yes||Yes||Yes|
|PostgreSQL > RDS for PostgreSQL||Yes||Yes||Yes|
|Redis > Redis||Yes||Yes||Yes|