Book Image

Professional Azure SQL Database Administration - Second Edition

By : Ahmad Osama
Book Image

Professional Azure SQL Database Administration - Second Edition

By: Ahmad Osama

Overview of this book

Despite being the cloud version of SQL Server, Azure SQL Database differs in key ways when it comes to management, maintenance, and administration. This book shows you how to administer Azure SQL Database to fully benefit from its wide range of features and functionalities. Professional Azure SQL Database Administration begins by covering the architecture and explaining the difference between Azure SQL Database and the on-premise SQL Server to help you get comfortable with Azure SQL Database. You’ll perform common tasks such as migrating, backing up and restoring a SQL Server database to an Azure database. As you progress, you’ll understand how you can reduce costs, and manage and scale multiple SQL databases using elastic pools. You’ll also implement a disaster recovery solution using standard and active geo-replication. Whether it is learning different techniques to monitor and tune an Azure SQL Database or improving performance using in-memory technology, this book will enable you to make the most out of Azure SQL database features and functionality for data management solutions. By the end of this book, you’ll be well-versed with key aspects of an Azure SQL Database instance, such as migration, backup restorations, performance optimization, high availability, and disaster recovery.
Table of Contents (11 chapters)

Access Control

Azure SQL Database limits access to databases through firewall rules, which are authentication techniques that require users to log in to a database with a valid username and password. Azure SQL Database further controls access to the underlying data through role-based permissions and row-level security. We'll now look at different access control methods in detail.

Firewall Rules

Azure SQL Database uses firewall rules to limit access to authorized IPs and block access to unauthorized IPs. This is the first level of access control provided by Azure SQL Database. Firewall rules can be created at the server level and the database level.

When an SQL database is provisioned, it's inaccessible to everyone. To make it accessible, you first need to add a server-level firewall rule. A firewall allows an IP or a range of IP addresses to connect to an Azure SQL database. You can then create database firewall rules to enable certain clients to access individual secure databases...