You're reading from AWS Certified Database – Specialty (DBS-C01) Certification Guide

Product type Book

Published in May 2022

Publisher Packt

ISBN-13 9781803243108

Pages 472 pages

Edition 1st Edition

Languages

Concepts

IT Certification

Author (1):

Kate Gawron

Table of Contents (24) Chapters

Preface

1. Part 1: Introduction to Databases on AWS

2. Chapter 1: AWS Certified Database – Specialty Overview

3. Chapter 2: Understanding Database Fundamentals

4. Chapter 3: Understanding AWS Infrastructure

5. Part 2: Workload-Specific Database Design

6. Chapter 4: Relational Database Service

7. Chapter 5: Amazon Aurora

8. Chapter 6: Amazon DynamoDB

9. Chapter 7: Redshift and DocumentDB

10. Chapter 8: Neptune, Quantum Ledger Database, and Timestream

11. Chapter 9: Amazon ElastiCache

12. Part 3: Deployment and Migration and Database Security

13. Chapter 10: The AWS Schema Conversion Tool and AWS Database Migration Service

14. Chapter 11: Database Task Automation

15. Chapter 12: AWS Database Security

16. Part 4: Monitoring and Optimization

17. Chapter 13: CloudWatch and Logging

18. Chapter 14: Backup and Restore

19. Chapter 15: Troubleshooting Tools and Techniques

20. Part 5: Assessment

21. Chapter 16: Exam Practice

22. Chapter 17: Answers

23. Other Books You May Enjoy

Overview of DocumentDB

Amazon DocumentDB is a fully managed and scalable NoSQL database designed to store and query semi-structured data such as JSON documents. JSON documents are pieces of information saved in a format structure called JavaScript Object Notation (JSON). The fixed structure of a JSON document allows all the data and fields within it to be queried similarly to an RDBMS table.

DocumentDB is compatible with another popular document database called MongoDB. This makes it a good choice for customers who are looking to move to an open source document database while currently using MongoDB.

DocumentDB is similar to DynamoDB in that they are both NoSQL databases, but while DynamoDB is tuned for key-value data retrieval operations, DocumentDB is more tuned to favor fast query handling. Also, DocumentDB is provisioned in a similar way to RDS, where you define an instance size to handle your workload as opposed to DynamoDB, which uses read/write capacity units. However...