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Introducing Microsoft SQL Server 2019

You're reading from   Introducing Microsoft SQL Server 2019 Reliability, scalability, and security both on premises and in the cloud

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Product type Paperback
Published in Apr 2020
Publisher Packt
ISBN-13 9781838826215
Length 488 pages
Edition 1st Edition
Languages
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Authors (8):
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Allan Hirt Allan Hirt
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Allan Hirt
Dustin Ryan Dustin Ryan
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Dustin Ryan
Mitchell Pearson Mitchell Pearson
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Mitchell Pearson
Kellyn Gorman Kellyn Gorman
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Kellyn Gorman
Dave Noderer Dave Noderer
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Dave Noderer
Buck Woody Buck Woody
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Buck Woody
Arun Sirpal Arun Sirpal
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Arun Sirpal
James Rowland-Jones James Rowland-Jones
Author Profile Icon James Rowland-Jones
James Rowland-Jones
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Table of Contents (15) Chapters Close

Preface 1. Optimizing for performance, scalability and real‑time insights 2. Enterprise Security FREE CHAPTER 3. High Availability and Disaster Recovery 4. Hybrid Features – SQL Server and Microsoft Azure 5. SQL Server 2019 on Linux 6. SQL Server 2019 in Containers and Kubernetes 7. Data Virtualization 8. Machine Learning Services Extensibility Framework 9. SQL Server 2019 Big Data Clusters 10. Enhancing the Developer Experience 11. Data Warehousing 12. Analysis Services 13. Power BI Report Server 14. Modernization to the Azure Cloud

Availability improvements in SQL Server 2019

This section covers the new availability-related features and enhancements in SQL Server 2019.  

Accelerated database recovery

Accelerated Database Recovery (ADR) is a feature that was introduced in Azure SQL Database but is now included in SQL Server 2019 for on-premises and IaaS deployments. ADR speeds up recovery when a database is brought online after a failover or an event where the database was not cleanly taken offline. Enabling ADR means databases will be online and ready for use by end users and applications faster, reducing downtime and unavailability.

Configuration-only replica

Although not new to SQL Server 2019, the concept of a configuration-only replica was introduced post-SQL Server 2017 in Cumulative Update 1. A configuration-only replica is required for a two-replica (primary and secondary) configuration when deploying AGs on Linux. To support the Standard edition and not impact licensing, a configuration...

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