December 2013
Intermediate to advanced
1872 pages
153h 31m
English
book
Microsoft® SQL Server 2012 Unleashed
by Ray Rankins, Paul T. Bertucci, Chris Gallelli, Alex T. Silverstein
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Identifying Tracked Changes
After Change Tracking is enabled for a table, any data modification statements that affect rows in the table cause Change Tracking information for each modified row to be recorded. To query for the rows that have changed and to obtain information about the changes, you can use the built-in Change Tracking functions.
Unless you enabled the TRACK_COLUMNS_UPDATED option, only the values of the primary key column are recorded with the change information to allow you to identify the rows that have been changed. To identify the changed rows, use the CHANGETABLE (CHANGES ...) Change Tracking function. The CHANGETABLE (CHANGES ...) function takes two parameters: The first is the table name, and the second is the last synchronization ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.