AWS Database Migration Service (DMS) allows users to migrate relational and non-relational databases and data warehouses securely and efficiently. It is not necessary for the source and the target setup to be on AWS. The migration can occur between a combination of on-cloud and on-premises data stores. However, at least one of the data stores should be on an AWS service.

Traditionally, the migration process was time-consuming. It required identifying the capacity of the target data store, performing specific installations, monitoring, testing, and debugging the migrated resources. AWS DMS has out-ruled all these limitations with a single service. It automatically manages all the migrated databases’ management and deployment processes.

How AWS DMS works

AWS DMS works by cost-effectively replicating data from the source database to the target database. The source and target data stores are called endpoints. DMS first builds a connection with the source endpoint and formats the data compatible with the target endpoint. For this, the user needs to create a replication instance. The replication instance is responsible for reading the source data store, formatting data, and performing the actual migration.

Next, a source and ...