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DynamoDB Deep Dive: NoSQL for Software Engineers

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Before We Begin

About this Module

Welcome!

Introduction: A Tale of DynamoDB Overview: DynamoDB Deep Dive Demo: DynamoDB Sign-up

What is DynamoDB?

NoSQL Databases DynamoDB Salient Features of DynamoDB AWS Value-added Services Deciding on DynamoDB

Creating Tables

DynamoDB Data Model

Understanding Partitions

Primary Key and Range Key

Demo: Creating A Table

Creating Items

Overview of Various Options Creating a Single Item Creating Items in Bulk Using CLI

Reading Data

Querying and Scanning Demo: Reading Data

Secondary Index

Introduction to Secondary Indexes In DynamoDB Global Secondary Index Demo: Creating A Global Secondary Index Local Secondary Index Demo: Using A Local Secondary Index

Monitoring

Introduction: Monitoring DynamoDB CloudWatch Demo: CloudWatch Alarm

Access Management

Introduction: Access Management IAM Concepts IAM Policies Demo: Access management

DynamoDB Best Practices

Table Best Practices Item Best Practices Secondary Index Best Practices

Conclusion

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Data Types

Data Types

Understand the various data types used by the attributes.

We can categorize the data types used by attributes as:

Scalar
Document
Set

Scalar

The types contained in this category are String, Number, Boolean, Null, and Binary. These data types contain a single value. Let’s look at each one of them.

String

We can store a string of any size, constrained only by the DynamoDB item size limit. That is, we can store a string of any size as long as your item is less than 400 KB in size. However, if the given string ...