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Professional Azure SQL Managed Database Administration

Professional Azure SQL Managed Database Administration

By : Ahmad Osama, Shakya
4.3 (3)
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Professional Azure SQL Managed Database Administration

Professional Azure SQL Managed Database Administration

4.3 (3)
By: Ahmad Osama, Shakya

Overview of this book

Despite being the cloud version of SQL Server, Azure SQL Database and Azure SQL Managed Instance stands out in various aspects when it comes to management, maintenance, and administration. Updated with the latest Azure features, Professional Azure SQL Managed Database Administration continues to be a comprehensive guide for becoming proficient in data management. The book begins by introducing you to the Azure SQL managed databases (Azure SQL Database and Azure SQL Managed Instance), explaining their architecture, and how they differ from an on-premises SQL server. You will then learn how to perform common tasks, such as migrating, backing up, and restoring a SQL Server database to an Azure database. As you progress, you will study how you can save costs and manage and scale multiple SQL databases using elastic pools. You will also implement a disaster recovery solution using standard and active geo-replication. Finally, you will explore the monitoring and tuning of databases, the key features of databases, and the phenomenon of app modernization. By the end of this book, you will have mastered the key aspects of an Azure SQL database and Azure SQL managed instance, including migration, backup restorations, performance optimization, high availability, and disaster recovery.
Table of Contents (14 chapters)
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13
Index

Introducing elastic database pools in SQL Database

The SQL Database elastic pool is a cost-effective solution for managing and scaling a group or a pool of SQL databases, with a utilization pattern characterized by low average utilization and infrequent spikes.

All databases in an elastic database pool:

  • Belong to one Azure SQL server.
  • Share a set amount of compute resources indexed by eDTUs (Elastic DTUs) in the DTU purchasing model and vCores in the vCore purchasing model.
  • Share a set amount of elastic database pool storage.
  • Have a price based on the amount of elastic database pool resources and not individual databases.
  • Can scale up to the given maximum amount of eDTUs or vCores.
  • Optionally, have a guaranteed minimum number of eDTUs or vCores.

Let's look at a scenario that highlights when we should think about using an SQL Database elastic pool.

When should you consider elastic database pools?

In Chapter 7, Scalability, we worked...

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