Book Image

SQL Server 2016 Developer's Guide

By : Miloš Radivojević, Dejan Sarka, William Durkin
Book Image

SQL Server 2016 Developer's Guide

By: Miloš Radivojević, Dejan Sarka, William Durkin

Overview of this book

Microsoft SQL Server 2016 is considered the biggest leap in the data platform history of the Microsoft, in the ongoing era of Big Data and data science. This book introduces you to the new features of SQL Server 2016 that will open a completely new set of possibilities for you as a developer. It prepares you for the more advanced topics by starting with a quick introduction to SQL Server 2016's new features and a recapitulation of the possibilities you may have already explored with previous versions of SQL Server. The next part introduces you to small delights in the Transact-SQL language and then switches to a completely new technology inside SQL Server - JSON support. We also take a look at the Stretch database, security enhancements, and temporal tables. The last chapters concentrate on implementing advanced topics, including Query Store, column store indexes, and In-Memory OLTP. You will finally be introduced to R and learn how to use the R language with Transact-SQL for data exploration and analysis. By the end of this book, you will have the required information to design efficient, high-performance database applications without any hassle.
Table of Contents (21 chapters)
SQL Server 2016 Developer's Guide
Credits
About the Authors
About the Reviewer
www.PacktPub.com
Customer Feedback
Preface
12
In-Memory OLTP Improvements in SQL Server 2016

Chapter 11. Introducing SQL Server In-Memory OLTP

IT systems today are required to deliver maximum performance with zero downtime and maximum flexibility for developers and administrators. As developers, we all know that if the performance of our applications is somehow lacking, then the cause of the slowdown must be in the database!

Major causes of performance problems inside database projects can be followed back to database design mistakes or to the limitations built into the database engine to ensure data consistency for concurrent connections, or a mixture of both of these aspects.

Microsoft SQL Server adheres to the ACID theory. A simplified explanation of the ACID theory is that it describes how changes made to a database are required to fulfil four properties: Atomicity, Consistency, Isolation, and Durability:

  • Atomicity states that the contents of each transaction are either processed successfully and completely or fail in their entirety. "Half-transactions" are not possible.

  • Consistency...