DynamoDB – Local Secondary Indexes Some applications only perform queries with the primary key, but some situations benefit from an alternate sort key. Allow your application a choice by creating a single or multiple local secondary indexes. Complex data access requirements, such as combing millions of items, make it necessary to perform more efficient queries/scans. […]
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DynamoDB – Aggregation DynamoDB does not provide aggregation functions. You must make creative use of queries, scans, indices, and assorted tools to perform these tasks. In all this, the throughput expense of queries/scans in these operations can be heavy. You also have the option to use libraries and other tools for your preferred DynamoDB coding […]
DynamoDB – Web Identity Federation Web Identity Federation allows you to simplify authentication and authorization for large user groups. You can skip the creation of individual accounts, and require users to login to an identity provider to get temporary credentials or tokens. It uses AWS Security Token Service (STS) to manage credentials. Applications use these […]