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Professional Azure SQL Managed Database Administration

You're reading from   Professional Azure SQL Managed Database Administration Efficiently manage and modernize data in the cloud using Azure SQL

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Product type Paperback
Published in Mar 2021
Publisher Packt
ISBN-13 9781801076524
Length 724 pages
Edition 3rd Edition
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Authors (2):
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Ahmad Osama Ahmad Osama
Author Profile Icon Ahmad Osama
Ahmad Osama
Shashikant Shakya Shashikant Shakya
Author Profile Icon Shashikant Shakya
Shashikant Shakya
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Table of Contents (14) Chapters Close

Preface 1. Introduction to Azure SQL managed databases 2. Service tiers FREE CHAPTER 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

High availability

High availability refers to providing service availability in case of any hardware, software, or network failure. Azure SQL guarantees up to 99.995% availability of service. Although Azure SQL Database and SQL Managed Instance are resilient to transitive infrastructure failures, such events might impact application connectivity. Applications can handle these failures by employing retry logic in code.

Azure SQL Database and SQL Managed Instance can quickly recover in the most critical situations, ensuring that your data is always available.

The availability of SQL Database and SQL Managed Instance depends on the service tier and underlying architecture model. Let's take a look at the high availability architecture models based on service tier configuration.

The basic, standard, and general-purpose service tier locally redundant availability model

This architecture is based on the separation of the compute and storage layers to ensure data availability...

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