Amazon Database Migration Service vs OCI Database Migration

Amazon Database Migration Service9.2Visit OCI Database Migration8.1Visit

Higher score Amazon Database Migration Service #2 in Data Migration Tools 9.2/10 Paid ✓ 0 of 4 features Visit AWS DMS

vs

OCI Database Migration #8 in Data Migration Tools 8.1/10 Free plan Free plan✓ 2 of 4 features Visit Oracle

• Amazon Database Migration Service fits best

  AWS users migrating databases with minimal downtime

• OCI Database Migration fits best

  Teams migrating databases into Oracle Cloud

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Side by side

Feature	Amazon Database Migration Service 9.2/10 Visit ↗	OCI Database Migration 8.1/10 Visit ↗
At a glance
Editor score	9.2	8.1
Ranking	#2 in Data Migration Tools	#8 in Data Migration Tools
Best for	AWS users migrating databases with minimal downtime	Teams migrating databases into Oracle Cloud
Pricing model	Paid	Free plan + paid
Starting price	—	—
Free plan	—	✓ (best)
Free trial	—	—
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Docs	Docs
Built for	Small business, Mid-market, Enterprise	Mid-market, Enterprise
Features Amazon Database Migration Service 0/4 · OCI Database Migration 2/4
Change data capture	Not checked yet	✓ (best)
Schema mapping	Not checked yet	Not checked yet
Scheduled migrations	Not checked yet	Not checked yet
API access	Not checked yet	✓ (best)
Specs
Deployment model	Not checked yet	Cloud
Migration modes	Not checked yet	Both
Our review
Pros	Supports homogeneous and heterogeneous database migrations Combines schema conversion, assessment, and one-time migration Offers ongoing change replication and serverless capacity scaling	Supports offline and minimal-downtime online migrations Includes pre-migration checks and migration monitoring Offers OCI Console and REST API management
Cons	There is no free plan Pricing includes usage-based options and a commitment-based savings plan Listed support channel is documentation	Focused on moving databases into Oracle Cloud OCI resources used during migration may incur separate charges Support channels listed are limited to documentation
Our verdict	Amazon Database Migration Service (AWS DMS) is a managed cloud service for moving relational databases, data warehouses, NoSQL databases, and other data stores. It supports migrations between on-premises environments, AWS services, and… Read the review →	Moving databases into Oracle Cloud Infrastructure is the focus of OCI Database Migration, Oracle’s managed cloud service for database migration projects. It is aimed at mid-market and enterprise teams planning to migrate database workloads… Read the review →

Strengths and trade-offs

• Amazon Database Migration Service — where it wins

  • Supports homogeneous and heterogeneous database migrations
  • Combines schema conversion, assessment, and one-time migration
  • Offers ongoing change replication and serverless capacity scaling

  Where it doesn't

  • There is no free plan
  • Pricing includes usage-based options and a commitment-based savings plan
  • Listed support channel is documentation

• OCI Database Migration — where it wins

  • Supports offline and minimal-downtime online migrations
  • Includes pre-migration checks and migration monitoring
  • Offers OCI Console and REST API management

  Where it doesn't

  • Focused on moving databases into Oracle Cloud
  • OCI resources used during migration may incur separate charges
  • Support channels listed are limited to documentation

• Amazon Database Migration Service9.2/10 · Paid

  A managed AWS service for database discovery, migration, and ongoing change replication.

  Visit AWS DMSFull verdict →
• OCI Database Migration8.1/10 · Free plan

  A free Oracle Cloud service for offline or minimal-downtime database migrations.

  Visit OracleFull verdict →