Understanding DynamoDB: Primary Keys and Secondary Indexes

Understanding the concepts of primary keys and secondary indexes in Amazon DynamoDB is crucial for effective database design and query optimization. Below are some authoritative resources to deepen your knowledge on these topics:

1. Amazon DynamoDB Developer Guide

OK, so there is this official AWS documentation:

Amazon DynamoDB Developer Guide

2. DynamoDB Indexes Explained by Dynobase

An in-depth article that clarifies the differences between Global Secondary Indexes (GSIs) and Local Secondary Indexes (LSIs), including their use cases, limitations, and best practices.

Read the article on Dynobase

3. Key Concepts by DynamoDB Guide

This resource provides a comprehensive overview of DynamoDB’s core components, including detailed explanations of primary keys, secondary indexes, and their significance in data modeling.

Visit DynamoDB Guide

4. Differences between a Relational (SQL) Database and DynamoDB When Using Indexes by AWS

An official AWS document that contrasts the use of indexes in relational databases versus DynamoDB, offering insights into how secondary indexes function differently in a NoSQL context.

Read more on AWS Documentation

5. DynamoDB Keys - Everything You Need To Know by Dynobase

This article explores various key types in DynamoDB, including primary simple keys, composite keys, and secondary indexes, providing guidance on their appropriate usage.

Read the article on Dynobase

6. DynamoDB in 15 Minutes by tecRacer

A concise yet informative guide that introduces DynamoDB’s key features, including primary keys and secondary indexes, suitable for beginners seeking a quick understanding.

Read the guide on tecRacer

7. NoSQL Databases and DynamoDB by the University of Toronto

An academic resource that discusses DynamoDB’s architecture, including its use of primary keys and secondary indexes, within the broader context of NoSQL databases.

View the PDF

8. 12 Important Lessons from The DynamoDB Book by Jeremy Daly

An insightful article that shares key takeaways on DynamoDB’s design principles, including the effective use of primary keys and secondary indexes for optimized data access patterns.

Read the article on Jeremy Daly’s blog

9. There is also a book

The DynamoDB Book

These resources offer a comprehensive understanding of DynamoDB’s primary key structures and indexing mechanisms, aiding in the design of efficient and scalable database solutions.