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Professional Azure SQL Managed Database Administration - Third Edition

You're reading from Professional Azure SQL Managed Database Administration - Third Edition

Product type Book

Published in Mar 2021

Publisher Packt

ISBN-13 9781801076524

Pages 724 pages

Edition 3rd Edition

Languages

Concepts

Authors (2):

Ahmad Osama

Shashikant Shakya

View More author details

Table of Contents (14) Chapters

Preface

1. Introduction to Azure SQL managed databases

2. Service tiers

3. Migration

4. Backups

5. Restoration

6. Security

7. Scalability

8. Elastic and instance pools

9. High availability and disaster recovery

10. Monitoring and tuning

11. Database features

12. App modernization

Index

Geo-restoring databases

A geo-restore allows you to restore a database from a geo-redundant backup to any available Azure SQL servers and SQL Managed Instance, irrespective of the region.

The automatic backups of Azure SQL Database and SQL Managed Instance are geo-redundant by default, and are copied to a paired Azure region as and when they are taken. There is a maximum delay of one hour when copying a database to a paired geographical location. Therefore, in the case of a disaster, there can be up to an hour of data loss:

Geo-replication to a different geographical location

Figure 5.26: Geo-replication to a different geographical location

Geo-restore can be used to recover a database if an entire region is unavailable because of a disaster:

Using geo-restore in the case of the unavailability of an entire region

Figure 5.27: Use of geo-restore in the case of unavailability of an entire region

The most recent full and differential backups are used to perform a geo-restore.

Geo-restore doesn't support PITR. It is the most basic disaster...

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Authors (2)

Ahmad Osama

Ahmad Osama works for Pitney Bowes Pvt. Ltd. as a technical architect and is a former Microsoft Data Platform MVP. In his day job, he works on developing and maintaining high performant, on-premises and cloud SQL Server OLTP environments as well as deployment and automating tasks using PowerShell. When not working, Ahmad blogs at DataPlatformLabs and can be found glued to his Xbox.

See other products by Ahmad Osama

Shashikant Shakya

Shashikant Shakya is a passionate technologist with decades of experience in the sphere of databases. He works for Microsoft as a senior support engineer. In his day job, he works on Azure SQL Database, Azure Database for MySQL, and PostgreSQL. Apart from his work, he is a regular speaker at the SQLBangalore community group.

See other products by Shashikant Shakya

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