Book Image

SQL Server 2019 Administrator's Guide - Second Edition

By : Marek Chmel, Vladimír Mužný
Book Image

SQL Server 2019 Administrator's Guide - Second Edition

By: Marek Chmel, Vladimír Mužný

Overview of this book

SQL Server is one of the most popular relational database management systems developed by Microsoft. This second edition of the SQL Server Administrator's Guide will not only teach you how to administer an enterprise database, but also help you become proficient at managing and keeping the database available, secure, and stable. You’ll start by learning how to set up your SQL Server and configure new and existing environments for optimal use. The book then takes you through designing aspects and delves into performance tuning by showing you how to use indexes effectively. You’ll understand certain choices that need to be made about backups, implement security policy, and discover how to keep your environment healthy. Tools available for monitoring and managing a SQL Server database, including automating health reviews, performance checks, and much more, will also be discussed in detail. As you advance, the book covers essential topics such as migration, upgrading, and consolidation, along with the techniques that will help you when things go wrong. Once you’ve got to grips with integration with Azure and streamlining big data pipelines, you’ll learn best practices from industry experts for maintaining a highly reliable database solution. Whether you are an administrator or are looking to get started with database administration, this SQL Server book will help you develop the skills you need to successfully create, design, and deploy database solutions.
Table of Contents (17 chapters)
Section 1: Provisioning the SQL Server Environment
Section 2: Server and Database Maintenance
Section 3: High Availability and the Cloud with SQL Server 2019

Chapter 5: Working with Disaster Recovery Options

High availability (HA) and disaster recovery (DR) are important solutions for an enterprise strategy concerned with data availability. SQL Server has several different features available for implementing HA and DR scenarios. These will help you increase the availability metric of your SQL Server environment and the applications that are using the data stored on SQL Server.

High availability and disaster recovery are frequently mixed up as many people think they are the same; however, they are not. HA helps you eliminate a single point of failure and provides features and services to keep your environment online, even in case of an incident. DR, on the other hand, is a process you would use to recover from larger accidents. Even if you have a solution for HA in place, this does not mean that you can recover from a disaster or that you have a DR plan.

In this chapter, we'll explore the disaster recovery basics to understand...