In this 'Back to Basics' video, Pranjali explores database migration strategies on AWS. She covers re-platforming, which involves migrating on-premises databases to AWS services like Amazon RDS, and refactoring, which includes moving to cloud-native databases like Aurora PostgreSQL. The video demonstrates how to use AWS Database Migration Service (DMS) and Schema Conversion Tool (SCT) to efficiently migrate databases while minimizing downtime. Pranjali explains both offline and online migration methods, highlighting the benefits of AWS managed database services for improved scalability and reduced management overhead.