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SQL Server 2014 with Powershell v5 Cookbook

You're reading from   SQL Server 2014 with Powershell v5 Cookbook Over 150 real-world recipes to simplify database management, automate repetitive tasks, and enhance your productivity

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Product type Paperback
Published in Dec 2015
Publisher Packt
ISBN-13 9781785283321
Length 760 pages
Edition 1st Edition
Languages
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Author (1):
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Donabel Santos Donabel Santos
Author Profile Icon Donabel Santos
Donabel Santos
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Table of Contents (15) Chapters Close

Preface 1. Getting Started with SQL Server and PowerShell 2. SQL Server and PowerShell Basic Tasks FREE CHAPTER 3. Basic Administration 4. Security 5. Backup and Restore 6. Advanced Administration 7. Audit and Policies 8. High Availability with AlwaysOn 9. SQL Server Development 10. Business Intelligence 11. Helpful PowerShell Snippets A. PowerShell Primer B. Creating a SQL Server VM Index

Introduction

There are several high availability disaster recovery (HADR) solutions supported in SQL Server with the different versions that you may be familiar with or have implemented in your environments, such as transaction log shipping, database mirroring, and transactional replication. On the Windows server-side, you can also use Windows Server Failover Clustering (WSFC). This chapter focuses on AlwaysOn.

SQL Server AlwaysOn is meant to replace database mirroring, which was deprecated in SQL Server 2012, and addresses the limitations that database mirroring faced. Some of the commonly cited limitations of database mirroring include the following:

  • Having only one unreadable mirror
  • Inability to failover multiple dependent databases as groups

SQL Server AlwaysOn addresses these shortcomings. AlwaysOn is an Enterprise-only feature that leverages Windows Server Failover Clustering and provides some of the following benefits:

  • An AlwaysOn configuration can have up to four readable secondary...
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