Effective data sorting with Amazon DynamoDB

This article covers effective data sorting and ordering techniques in Amazon DynamoDB using partition keys, sort keys, and global secondary indexes (GSIs).

Specifically, the article covers:

• Characteristics of partition keys and sort keys in DynamoDB, and how they determine the order of items within partitions
• An e-commerce data model example using userId as partition key and order date as sort key to efficiently retrieve orders within date ranges
• Optimizing access patterns by creating a GSI with a fixed partition key value and order timestamps as the sort key
• A gaming data model using a GSI to order items by player scores for generating leaderboards
• Cost and performance considerations when using GSIs, including attribute projections and partition key sharding to distribute workload
• Conclusion summarizing the techniques and benefits of effective data modeling and sorting in DynamoDB