Book Image

Professional Azure SQL Managed Database Administration - Third Edition

By : Ahmad Osama, Shashikant Shakya
Book Image

Professional Azure SQL Managed Database Administration - Third Edition

By: Ahmad Osama, Shashikant 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)
13
Index

1. Introduction to Azure SQL managed databases

There are very few relational database systems as established and widely used as Microsoft's SQL Server. SQL Server on Microsoft Azure comes in three different flavors (commonly known as the Azure SQL family): SQL Server on Azure Virtual Machines (VM) (infrastructure as a service, or IaaS), Azure SQL Database (platform as a service, or PaaS), and Azure SQL Managed Instance (PaaS).

Each of these products has specific use cases, which makes it easy for us to move to Azure SQL whether we're starting up with a new application or migrating an existing workload to Azure.

The IaaS offering, SQL Server on Azure VM, is similar to an on-premises service where Microsoft manages the hardware, virtualization, and infrastructure, and database administrators (DBAs) manage every aspect of SQL Server.

The PaaS offerings, Azure SQL Database and Azure SQL Managed Instance, allow DBAs to focus more on monitoring, capacity planning...