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Data migration

Last Updated: Dec 20, 2017

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
  • RDS instances in classic or VPC networks
  • ECS instance databases
ECS instance databases
  • RDS instances in classic or VPC networks
  • ECS instance databases
RDS instances
  • RDS instances in classic or VPC networks
  • ECS instance databases
Redis instances in classic networks
  • Redis instances in classic networks
  • ECS instance databases

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 upport
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
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