Amazon Aurora DSQL Simplifies NoSQL-to-Relational Migration

In this post, AWS demonstrates migrating relational-style data from MongoDB to Amazon Aurora DSQL using Kiro CLI and an Apache Spark ETL on Amazon EMR, with sample movie_collection data and five normalized target tables. The guide documents CloudFormation deployment, schema generation and DDL constraints for Aurora DSQL (no foreign keys, no triggers), Spark JDBC loading, and verification steps to preserve referential integrity.