A company needs to migrate its on-premises production relational database to Amazon RDS. A key requirement is to minimize downtime so that the application relying on the database can remain available for users during the migration process. Which AWS service is specifically designed for this type of migration?
The correct service is AWS Database Migration Service (DMS). AWS DMS helps migrate databases to AWS quickly and securely while the source database remains fully operational, thus minimizing downtime. It uses Change Data Capture (CDC) to continuously replicate data changes from the source to the target. AWS Schema Conversion Tool (SCT) is often used with DMS for heterogeneous migrations to convert the schema, but it does not perform the data migration itself. AWS Backup is used for creating and managing backups, not for live migrations. AWS DataSync is designed for transferring file and object data, not for relational database migrations.
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What is Change Data Capture (CDC) in AWS DMS?
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