When databases have to be migrated securely to AWS, the preferred option is to use the Database Migration Service (DMS) of AWS. The main advantage is that the database at source remains fully functional during migration, eliminating the need for downtime.
AWS DMS to Migrate Databases to Amazon S3
wardjohn2111 May 27, 2021Business
aws dms
https://tech592511308.wordpress.com/2021/05/26/aws-dms-and-types-of-database-migrations/