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Database Migration Service
Simplify migrations to the cloud. Available now for MySQL, PostgreSQL, SQL Server, and Oracle databases.
Migrate to open source databases in the cloud from on-premises, Google Cloud, or other clouds
Replicate data continuously for minimal downtime migrations
Seamlessly convert your schema and code with AI-powered assistance
Serverless and easy to set up
Benefits
Simplified migration
Simplified migration
Start migrating in just a few clicks with an integrated, Gemini-assisted conversion and migration experience. Reduced migration complexity means you can enjoy the benefits of the cloud sooner.
Minimal downtime
Minimal downtime
Enjoy a fully-managed service that migrates your database with minimal downtime. Serverless migrations are highly performant at scale and can take an initial snapshot followed by continuous data replication.
Fast track to Cloud SQL and AlloyDB
Fast track to Cloud SQL and AlloyDB
Get the operational benefits of the open, standards-based Cloud SQL and AlloyDB for PostgreSQL services with enterprise availability, stability, and security.
Key features
Key features
Easy to use
A guided experience takes you through migration of MySQL, PostgreSQL, SQL Server, and Oracle databases and offers built-in, customized source configuration information, schema and code conversion, and setup of multiple secure networking connectivity options. Database Migration Service leverages native replication capabilities for highly accurate, high-fidelity migrations, and you can run a validation before the migration to ensure migration success.
Gemini in Database Migration Service
Make database migration simpler and faster with AI-powered assistance. With the help of Gemini in DMS, in preview, you can review and convert database-resident code like stored procedures, triggers, and functions to a PostgreSQL compatible dialect. To upskill and retrain SQL developers, explainability enables a side-by-side comparison of dialects, along with detailed code explanations and recommendations.
Integrated conversion and migration
Migrate your SQL Server and Oracle workloads to PostgreSQL. A built-in conversion workspace reduces the manual effort of heterogeneous migrations, and the Gemini-assisted conversion process guides you through schema and code conversion and highlights any conversion issues for your review. The conversion workspace is available for migrations to Cloud SQL and AlloyDB.
Serverless experience
Eliminate the operational burdens of database migration. There are no migration servers to provision, manage, or monitor, and auto-scaling ensures high-performance, uninterrupted data replication at scale. The entire process is done with minimal downtime, from the initial snapshot of the source database to continuous replication of changes.
Secure by design
Rest easy knowing your data is protected during migration. Database Migration Service supports multiple secure, private connectivity methods to protect your data in transit. Once migrated, all data is encrypted by default, and Google Cloud databases provide multiple layers of security to meet even the most stringent requirements.
Customers
Learn from customers using Database Migration Service
What's new
What's new
Sign up for Google Cloud newsletters to receive product updates, event information, special offers, and more.
Documentation
Database Migration Service documentation
Use cases
Use AI to migrate your database to PostgreSQL
Gemini taught me PostgreSQL!
Say goodbye to database migration headaches and let your new AI tutor show you how to seamlessly transform Oracle and SQL Server systems into PostgreSQL masterpieces. Watch as Gemini expertly translates complex packages, custom data types, and tricky T-SQL code directly into clean PL/pgSQL, leveling up your developer skills along the way.

Pricing
Pricing
For homogenous migrations, where the source and destination are the same database engine, Database Migration Service is offered at no additional charge. This includes migrations of MySQL, PostgreSQL, and SQL Server sources to Cloud SQL and AlloyDB destinations.
Heterogeneous migrations between different database engines, are priced in per-byte increments on a per-migration job basis. Bytes are counted based on raw (uncompressed) data.
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