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AWS DynamoDB NoSQL database for scalable data storage

AWS DynamoDB NoSQL database for scalable data storage. Use when designing table schemas, writing queries, configuring indexes, managing capacity, implementing single-table design, or troubleshooting performance issues.

# AWS DynamoDB

Amazon DynamoDB is a fully managed NoSQL database service providing fast, predictable performance at any scale. It supports key-value and document data structures.

## Table of Contents

- [Core Concepts](#core-concepts)
- [Common Patterns](#common-patterns)
- [CLI Reference](#cli-reference)
- [Best Practices](#best-practices)
- [Troubleshooting](#troubleshooting)
- [References](#references)

## Core Concepts

### Keys

| Key Type | Description |
|----------|-------------|
| **Partition Key (PK)** | Required. Determines data distribution |
| **Sort Key (SK)** | Optional. Enables range queries within partition |
| **Composite Key** | PK + SK combination |

### Secondary Indexes

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AWS DynamoDB NoSQL database for scalable data storage

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