This document explains the sources and targets available for data migration and the migration types you can use when configuring a migration task.
Sources and targets
Data migration supports migrating data from the following sources to targets.
| Source | Target |
|---|---|
| On-premises databases in IDC |
|
| ECS instance databases |
|
| RDS instances |
|
| Redis instances in classic networks |
|
Migration types
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 |