Book Image

AWS Certified Developer - Associate Guide - Second Edition

By : Vipul Tankariya, Bhavin Parmar
5 (2)
Book Image

AWS Certified Developer - Associate Guide - Second Edition

5 (2)
By: Vipul Tankariya, Bhavin Parmar

Overview of this book

This book will focus on the revised version of AWS Certified Developer Associate exam. The 2019 version of this exam guide includes all the recent services and offerings from Amazon that benefits developers. AWS Certified Developer - Associate Guide starts with a quick introduction to AWS and the prerequisites to get you started. Then, this book will describe about getting familiar with Identity and Access Management (IAM) along with Virtual private cloud (VPC). Next, this book will teach you about microservices, serverless architecture, security best practices, advanced deployment methods and more. Going ahead we will take you through AWS DynamoDB A NoSQL Database Service, Amazon Simple Queue Service (SQS) and CloudFormation Overview. Lastly, this book will help understand Elastic Beanstalk and will also walk you through AWS lambda. At the end of this book, we will cover enough topics, tips and tricks along with mock tests for you to be able to pass the AWS Certified Developer - Associate exam and develop as well as manage your applications on the AWS platform.
Table of Contents (30 chapters)
Free Chapter
1
Overview of AWS Certified Developer - Associate Certification

Naming rules and data types

DynamoDB supports a number of data types. This section describes these data types as well as the DynamoDB naming rules.

Let's start by understanding naming rules.

Naming rules

Each table, attribute, and any other object in DynamoDB should have a name. All the names that you use in DynamoDB should be concise and meaningful. For example, a table can be named Employee, Department, Books, and so on. Just like these names, whatever name you use should be self-explanatory.

Here are some of the naming rules for DynamoDB:

  • Names are case-sensitive and must be encoded in UTF-8.
  • A table name and an index name may range from 3 to 255 characters.
  • Names may contain only the following characters:
    • a-z.
    • A...