Entity Manager works by interpreting your configured database schema in a very particular, very opinionated way. By way of example, this section will start with a simple data model, evolve a database schema, and show you what Entity Manager would do with it. NoSQL databases do not offer the schema & query abstractions enjoyed by RDBMS developers, so any NoSQL database schema will be intrinsically platform-specific. This example will evolve a database schema for the DynamoDB platform, but the pre...