September 2010
Intermediate to advanced
1704 pages
111h 8m
English
book
Microsoft® SQL Server 2008 R2 Unleashed
by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
Content preview from Microsoft® SQL Server 2008 R2 Unleashed
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Logged and Nonlogged Operations
Bulk-copy operations can occur in two modes: logged and nonlogged (also known as slow and fast bcp, respectively). The ideal situation is to operate in nonlogged mode because this arrangement dramatically decreases the load time and consumption of other system resources, such as memory, processor use, and disk access. However, the default runs the load in logged mode, which causes the log to grow rapidly for large volumes of data.
To achieve a nonlogged operation, the target table must not be replicated (the replication log reader needs the log records to relay the changes made). The database holding the target table must also have its SELECT INTO/BULK COPY option set, and finally, the TABLOCK hint must be specified. ...
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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.