This technical session is for advanced users of Amazon DynamoDB. The patterns and data models discussed in this presentation summarize a collection of implementations and best practices used by large customers-including Amazon retail businesses-to deliver highly scalable solutions for a wide variety of business problems. We delve into strategies for global secondary index sharding and index overloading, scalable graph processing with materialized queries, relational modeling with composite keys, executing transactional workflows on DynamoDB, and more.