AWS Database Migration Service

AWS Database Migration Service enables organizations to migrate databases to AWS in a timely and secure manner. The source database remains completely operational during the time of migration, minimizing downtime for apps that rely on it. The AWS Database Migration Service can move data between commercial and open-source databases.

AWS Database Migration Service enables both homogeneous migrations, like Oracle to Oracle, and heterogeneous migrations, such as Oracle or Microsoft SQL Server to Amazon Aurora. By streaming data to Amazon Redshift and Amazon S3, you can continuously replicate your data with high availability and consolidate databases into a petabyte-scale data warehouse using AWS Database Migration Service.

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Benefits of AWS Database Migration Service


Easy to Use

AWS Database Migration Service is easy to use. In most cases, no drivers or apps are required, and no changes to the source database are required. With a few clicks in the AWS Management Console, you can begin a database migration. DMS manages all complexities of the migration process once it has begun, such as automatically replicating data changes that occur in the source database during the migration process. With the same ease, you can use this service for continuous data replication.


Minimal Downtime

AWS Database Migration Service assists you in migrating your databases to AWS with minimal downtime. During the migration, all data changes to the source database are continuously replicated to the target, allowing the source database to remain fully operational. Following the completion of the database migration, the target database will remain synchronized with the source for as long as you specify, allowing you to switch over the database at a convenient time.


Supports Widely Used Databases

The AWS Database Migration Service can move your data to and from the majority of popular commercial and open-source databases. It supports both homogeneous migrations like Oracle to Oracle and heterogeneous migrations like Oracle to Amazon Aurora. Migrations are possible from on-premises databases to Amazon Relational Database Service (Amazon RDS) or Amazon Elastic Compute Cloud (Amazon EC2), from EC2 databases to RDS, and from one RDS database to another RDS database. It also supports data migration between SQL, NoSQL, and text-based targets.


Low Cost

DMS is a free migration service that can be used to migrate to Aurora, Redshift, DynamoDB, or DocumentDB. Other databases require payment according to the amount of log storage and computing power required to transfer.


On-going Replication

A DMS task can be configured for either one-time migration or ongoing replication. A continuous replication task retains your source and target databases synchronized. Once configured, the ongoing replication task will continuously apply changes from the source to the target with minimal latency. Any replication task has access to all DMS features, such as data validation and transformations.



The AWS Database Migration Service is highly reliable and self-healing. It continuously monitors the source and target databases, network connectivity, and the replication instance. If the process is interrupted, it automatically restarts and resumes the migration from where it left off. By enabling redundant replication instances, the Multi-AZ option provides high availability for database migration and continuous data replication.

AWS Database Migration Use Cases

Homogeneous Database Migrations

The source and target database engines are the same or compatible in homogeneous database migrations, such as Oracle to Amazon RDS for Oracle, MySQL to Amazon Aurora, MySQL to Amazon RDS for MySQL, Microsoft SQL Server to Amazon RDS for SQL Server, or MySQL to Amazon RDS for MySQL. This type of migration is a one-step process because the schema structure, types of data, and DB code are all compatible between the source and target databases. The source database can be placed outside of AWS on your own premises, running on an Amazon EC2 instance, or it could be an Amazon RDS database. The target could be an Amazon EC2 or Amazon RDS database.

Homogeneous Database

Heterogeneous Database Migrations

Heterogeneous database migration occurs when the source and target database engines are not the same, like migrations from Oracle to Amazon Aurora, Microsoft SQL Server to MySQL, or Oracle to PostgreSQL. Because the schema structure and data types of the source and target databases differ, a schema and code transformation is required before migration, making it a two-step process.

Heterogeneous Database

Development and Test

For development purposes, AWS Database Migration Service can be used to migrate data both into and out of the cloud. There are two typical scenarios. The first step is to deploy development, test, or staging systems on AWS to benefit from the cloud's scalability and rapid provisioning. This allows developers and testers to use real-world production data copies and then copy updates back to the on-premises production system. The second scenario occurs when development systems are on-premises and a current copy of an AWS Cloud production database is migrated to these on-premises systems—either once or continuously. You can maintain an up-to-date representation of your production system while avoiding disruption to existing DevOps processes.

Development Testing

Database Consolidation

AWS Database Migration Service can be used to merge multiple source databases into a single target database. This is possible for both homogeneous and heterogeneous migrations, and it is compatible with all supported database engines. The source databases can be placed outside of AWS on your own premises, running on an Amazon EC2 instance, or being an Amazon RDS database. The source databases can also be distributed across various locations. One of the source databases, for example, could be on your own premises outside of AWS, while the second is in Amazon EC2, and the third is in an Amazon RDS database. The target could be an Amazon EC2 or Amazon RDS database.

Database Consolidation

Continuous Data Replication

AWS Database Migration Service can be used to operate continuous data replication. Continuous data replication has numerous applications, such as Disaster Recovery instance synchronization, geographic database distribution, and Dev/Test environment synchronization. For all supported database engines, DMS can be used for both homogeneous and heterogeneous data replication. The source or destination databases can be placed outside of AWS on your own premises, running on an Amazon EC2 instance, or being an Amazon RDS database. Data can be replicated from a single database to one or more target databases, or data from multiple databases can be consolidated and replicated to one or more target databases.

Data Replication

How does AWS Database Migration work?

Any database, including Oracle, SQL Server, MySQL, PostgreSQL, and others, can be run on AWS by 10decoders. Our extensive portfolio of cloud operations expertise assists you in reducing your DB administration responsibilities.

Web Application


The business impact of cloud migration, including financial deltas (operation cost, scalability, and TCO) as well as dependent applications for homogeneous, heterogeneous, and consolidation environments.

Data Processing


To ensure that the target architecture meets/exceeds performance expectations, map out all data sources, schema interdependencies, and administrative requirements.

Batch Processing


To help modernize as you migrate, use Amazon native tools to optimize database performance, replication, schema structure, and more.

Web Application


Set up and carry out a zero-downtime transformation from the original sources of data to the target cloud environment, from data replication to full load and validation.

Data Processing


Create and manage dashboards for continuous monitoring, backup, recovery, and business continuity to ensure cloud migration provides predictably and consistently.

Batch Processing


Analyze data growth as well as emerging integration needs on a continuous basis; keep up with your market and competitive environment as application and analytic use cases evolve.

10decoders AWS Database Migration Service Offerings

Our certified Cloud engineers provide AWS Database Migration Service, which reduces the time and cost of transferring your data to the AWS data platform. We have successfully completed lift-and-shift database migrations for a number of our customers with no downtime. We understand the intricacies of migrating databases and moving data with DMS, whether you are running Online Transaction Processing or Data Warehouse workloads.

Web Application

Optimize DBMS TCO, utilization, and capacity management

Data Processing

Integrate data across all your applications and partner services.

Batch Processing

From DBA support to managed DB

Frequently Asked Questions

Understand the common challenges or questions in the mind of our customers

AWS Database Migration Service (AWS DMS) enables you to migrate databases to AWS in a timely and secure manner. During the migration, the source database remains fully operational, minimizing downtime for applications that rely on it.

AWS Database Migration Service is a cloud service that simplifies the migration of relational databases, data warehouses, NoSQL databases, and other database servers. You can use AWS Database Migration Service to move your data into the AWS Cloud or between cloud and on-premises configurations.

Starting with AWS Database Migration Service is quick and easy. Most data replication tasks can be set up in under 10 minutes.

The process of migrating data from one or more source databases to one or more target databases using a database migration service is known as database migration. When the migration is complete, the dataset from the source databases is completely replicated, albeit possibly restructured, in the target databases.

AWS Database Migration Service offers a provisioning API that enables you to create replication tasks directly from your development environment or script them to be created at predetermined times throughout the day. Developers and database administrators can use the service API and CLI to automate the creation, management, restart, and termination of replication tasks.

The process of moving data from one location to another, from one format to another, or from one app to another is referred to as data migration. In most cases, this is the consequence of introducing a new data system or location.

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