Skip to Main Content
Microsoft® SQL Server 2008 R2 Unleashed
book

Microsoft® SQL Server 2008 R2 Unleashed

by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
September 2010
Intermediate to advanced content levelIntermediate to advanced
1704 pages
111h 8m
English
Sams
Content preview from Microsoft® SQL Server 2008 R2 Unleashed

Optimistic Locking Using the rowversion Data Type

SQL Server 2008 provides a special data type called rowversion that can be used for optimistic locking purposes within applications. The purpose of the rowversion data type is to serve as a version number in optimistic locking schemes. SQL Server automatically generates the value for a rowversion column whenever a row that contains a column of this type is inserted or updated. The rowversion data type is an 8-byte binary data type, and other than guaranteeing that the value is unique and monotonically increasing, the value is not meaningful; you cannot look at the individual bytes and make any sense of them.

Note

In previous versions of SQL Server, the rowversion data type was also referred ...

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

Microsoft® SQL Server 2005 Unleashed

Microsoft® SQL Server 2005 Unleashed

Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein, Tudor Trufinescu, John Kane
Microsoft® SQL Server™ 2005 Administrator's Companion

Microsoft® SQL Server™ 2005 Administrator's Companion

Edward Whalen, Marcilina Garcia, Burzin Patel, Stacia Misner, Victor Isakov
Microsoft® SQL Server® 2008 Internals

Microsoft® SQL Server® 2008 Internals

Paul Randal Kalen Delaney Kimberly Tripp, and Conor Cunningham

Publisher Resources

ISBN: 9780768696585Purchase book