Why do Organizations use AWS DMS for Migrating Databases?

 AWS DMS (Amazon Web Service Database Migration Service) is a cloud-based platform that enables easy migration of relational databases, NoSQL databases, data warehouses, and other types of data stores.

The AWS DMS option is used to migrate data into the AWS Cloud, between on-premises databases (via AWS Cloud setup), or between any combination of cloud and on-premises databases. AWS DMS performs one-time migrations with the capability to replicate ongoing changes to keep the source and the target database in sync.

If database engines have to be changed the AWS Schema Conversion Tool is used to transform database schema to the new platform after which the AWS DMS option is initiated to migrate data. Being part of the cloud, AWS DMS offers the same speed to market, cost-efficiency, security, and flexibility of AWS services.

At the primary level, AWS DMS is a server in the AWS Cloud that operates the replication software. A source and a target link have to be created so that the AWS DMS option is aware of where to extract data and where to load it. A task may then be scheduled that runs on this server to migrate the data. If tables and associated primary keys do not exist on the target, AWS DMS automatically creates them. The AWS Schema Conversion Tool (AWS SCT) can also be used for creating all the target tables, views, indexes, and triggers.

The biggest benefit of the AWS DMS option is that additional drivers and applications are not required to be installed to make changes to the data source. The migration process is started with a few clicks on the AWS Management Console and the entire activity is automated.  

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