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SQL Server 2017 Developer???s Guide

You're reading from  SQL Server 2017 Developer???s Guide

Product type Book
Published in Mar 2018
Publisher Packt
ISBN-13 9781788476195
Pages 816 pages
Edition 1st Edition
Languages

Table of Contents (25) Chapters

Title Page
Copyright and Credits
Dedication
Packt Upsell
Contributors
Preface
1. Introduction to SQL Server 2017 2. Review of SQL Server Features for Developers 3. SQL Server Tools 4. Transact-SQL and Database Engine Enhancements 5. JSON Support in SQL Server 6. Stretch Database 7. Temporal Tables 8. Tightening Security 9. Query Store 10. Columnstore Indexes 11. Introducing SQL Server In-Memory OLTP 12. In-Memory OLTP Improvements in SQL Server 2017 13. Supporting R in SQL Server 14. Data Exploration and Predictive Modeling with R 15. Introducing Python 16. Graph Database 17. Containers and SQL on Linux 1. Other Books You May Enjoy Index

Chapter 7. Temporal Tables

Databases that serve business applications often need to support temporal data. For example, suppose a contract with a supplier is valid for a limited time only. It could be valid from a specific point in time onward, or it could be valid for a specific time interval—from a starting time point to an ending time point. In addition, often you'll need to audit all changes in one or more tables. You might also need to be able to show the state at a specific point in time, or all changes made to a table in a specific period of time. From a data integrity perspective, you might need to implement many additional temporal-specific constraints.

This chapter introduces temporal problems, deals with manual solutions, and shows you out-of-the-box features in SQL Server 2016 and 2017, including the following:

  • Defining temporal data
  • Using temporal data in SQL Server before version 2016
  • History of temporal data implementation
  • System versioned tables in SQL Server 2016 and 2017
  • What...
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