Skip to Main Content
SQL Server 2017 Developer???s Guide
book

SQL Server 2017 Developer???s Guide

by Dejan Sarka, Miloš Radivojević, William Durkin
March 2018
Intermediate to advanced content levelIntermediate to advanced
816 pages
19h 35m
English
Packt Publishing
Content preview from SQL Server 2017 Developer???s Guide

Altering temporal tables

You can use the ALTER TABLE statement to perform schema changes on system-versioned temporal tables. When you use it to add a new data type, change a data type, or remove an existing column, the system will automatically perform the action against both the current and the history table. However, some of these actions will not be metadata operations only; there are changes that will update the entire table. To check this, run the following code to create (and populate with sample data) the temporal table from the previous section:

USE tempdb; CREATE TABLE dbo.Product ( ProductId INT NOT NULL CONSTRAINT PK_Product PRIMARY KEY, ProductName NVARCHAR(50) NOT NULL, Price MONEY NOT NULL, ValidFrom DATETIME2 GENERATED ALWAYS ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Start your free trial

You might also like

SQL Server 2016 Developer's Guide

SQL Server 2016 Developer's Guide

Miloš Radivojević, Dejan Sarka, William Durkin
Mastering SQL Server 2017

Mastering SQL Server 2017

Milos Radivojevic, Dejan Sarka, William Durkin, Christian Cote, Matija Lah

Publisher Resources

ISBN: 9781788476195Supplemental Content