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Book Overview & Buying
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Table Of Contents
Amazon DynamoDB - The Definitive Guide
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Let us now go over the different data types supported by DynamoDB. A lot of this would apply to databases in general. However, relational database systems generally support more data types that are very specific in terms of the operations they support. We will learn about how to map those most-used data types in relational systems onto the NoSQL and DynamoDB world.
The data types supported by DynamoDB are well documented (5), but I will aim to add value to this section by sharing practical insights from my experience. While you can find detailed specifications, such as the exact length of partition and sort key values, in the official docs, I will focus on practical usage. This approach is intentional. Additionally, I will cover optimizations and best practices that can enhance various use cases with these data types in real-world applications.
There are several data types supported in DynamoDB items, which are categorized into three groups...