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DynamoDB Cookbook

DynamoDB Cookbook

By : Deshpande
3.9 (8)
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DynamoDB Cookbook

DynamoDB Cookbook

3.9 (8)
By: Deshpande

Overview of this book

AWS DynamoDB is an excellent example of a production-ready NoSQL database. In recent years, DynamoDB has been able to attract many customers because of its features like high-availability, reliability and infinite scalability. DynamoDB can be easily integrated with massive data crunching tools like Hadoop /EMR, which is an essential part of this data-driven world and hence it is widely accepted. The cost and time-efficient design makes DynamoDB stand out amongst its peers. The design of DynamoDB is so neat and clean that it has inspired many NoSQL databases to simply follow it. This book will get your hands on some engineering best practices DynamoDB engineers use, which can be used in your day-to-day life to build robust and scalable applications. You will start by operating with DynamoDB tables and learn to manipulate items and manage indexes. You will also discover how to easily integrate applications with other AWS services like EMR, S3, CloudSearch, RedShift etc. A couple of chapters talk in detail about how to use DynamoDB as a backend database and hosting it on AWS ElasticBean. This book will also focus on security measures of DynamoDB as well by providing techniques on data encryption, masking etc. By the end of the book you’ll be adroit in designing web and mobile applications using DynamoDB and host it on cloud.
Table of Contents (12 chapters)
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11
Index

Creating a fine-grained access control policy using AWS IAM


A fine-grained access control allows us to restrict access to the table data as we want it. It allows us to create policies, which allow users to access only their data, limit their access to certain attributes, and so on. In this recipe, we will see how to create a fine-grained policy.

Getting ready

To perform this recipe, you should have performed the earlier recipes.

How to do it…

Here, the policy creation actions will be similar to the earlier recipe. So, we will directly jump to the policy wizard set permissions screen. Here, we will consider the same e-commerce example that we have been considering since the start of this book, where we had a product table. If you want to hide certain attributes, such as purchase price and stock, from the end users, then you can create a policy that will deny access to these items:

  1. Navigate to the create policy user interface, and select the third option, that is, Create Your Own Policy.

  2. You may...

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