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

New and enhanced functions and expressions


SQL Server 2016 introduces several new functions that can help developers to be more productive and efficient. Additionally, by removing limitations in some existing functions, their scope of usage has been enlarged. Now, SQL Server contains more than 300 built-in functions. Here is the list of new or changed functions and expressions in SQL Server 2016:

  • Two new string functions STRING_SPLIT and STRING_ESCAPE

  • New date function and new expression DATEFDIFF_BIG and AT TIME ZONE

  • Four new system functions COMPRESS, DECOMPRESS, SESSION_CONTEXT, and CURRENT_TRANSACTION_ID

  • Enhancements in the cryptographic function HASHBYTES

  • Four JSON-related functions ISSJON, JSON_VALUE, JSON_QUERY, JSON_MODIFY, and one new rowset function OPENJSON

STRING_SPLIT

Since SQL Server does not support arrays, when multiple values need to be send to it, developers use a list of values (usually comma-separated ones).

SQL Server 2008 introduced an excellent feature called Table-Valued...