Book Image

SQL Server 2017 Developer???s Guide

Book Image

SQL Server 2017 Developer???s Guide

Overview of this book

Microsoft SQL Server 2017 is a milestone in Microsoft's data platform timeline, as it brings in the power of R and Python for machine learning and containerization-based deployment on Windows and Linux. This book prepares you for advanced topics by starting with a quick introduction to SQL Server 2017's new features. Then, it introduces you to enhancements in the Transact-SQL language and new database engine capabilities before switching to a different technology: JSON support. You will take a look at the security enhancements and temporal tables. Furthermore, the book focuses on implementing advanced topics, including Query Store, columnstore indexes, and In-Memory OLTP. Toward the end of the book, you'll be introduced to R and how to use the R language with Transact-SQL for data exploration and analysis. You'll also learn to integrate Python code into SQL Server and graph database implementations as well as the deployment options on Linux and SQL Server in containers for development and testing. By the end of this book, you will be armed to design efficient, high-performance database applications without any hassle.
Table of Contents (25 chapters)
Title Page
Copyright and Credits
Dedication
Packt Upsell
Contributors
Preface
Free Chapter
1
Introduction to SQL Server 2017
Index

Chapter 4. Transact-SQL and Database Engine Enhancements

Each new SQL Server version brings numerous extensions and improvements to the Transact-SQL language. Most of them are used to support newly added database engine features, but some of them address missing functionalities and limitations in previous versions. SQL Server 2016 and SQL Server 2017 come up with many features that require extensions in Transact-SQL: temporal tables, JSON support, improvements for memory-optimized tables, columnstore tables and indexes, new security enhancements, graph databases, and more. They will be explored in detail in the chapters dedicated to the appropriate features.

This chapter covers Transact-SQL features that can make a developer's work more productive and enhancements that can increase the availability of database objects and enlarge the scope of existing functionalities, limited in the previous SQL Server versions. In addition, it will cover how the execution plans in SQL Server 2017 are improved...