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

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Configuring backups and running restores

RDS offers a fully managed backup service that will support the rapid restoration and recovery of your databases. These backups can also be used to support making copies of your database to be used in a different account or region. This is also called cross-region or cross-account cloning. Let's start by looking at RDS automated backups in more depth.

RDS automated backups

AWS manages standard backups for you unless you specifically configure it not to. The backups are taken when the database is running, and they do not cause any downtime. Backups can cause performance overhead as they add additional work to the RDS instance. Due to this, backups are run during backup windows. They are given a default time slot that can be customized if required, typically to avoid peak operating hours. Each RDS instance is allocated the same amount of backup storage as the instance storage, so if you create an RDS instance with 20 GB of storage,...