DynamoDB – Global Secondary Indexes Applications requiring various query types with different attributes can use a single or multiple global secondary indexes in performing these detailed queries. For example − A system keeping a track of users, their login status, and their time logged in. The growth of the previous example slows queries on its […]
Category Archives: dynamodb
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. […]
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 […]