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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Partitioned Views
Partitioned views are used to access data that has been horizontally split, or partitioned, across multiple tables. These tables can be in the same or different databases—or even spread across multiple servers. Partitioning of tables is done to spread the I/O and processing load of large tables across multiple disks or servers.
You combine the tables in a partitioned view by using a UNION ALL statement that causes the data from the separate tables to appear as if they were one table. These separate tables are referred to as member tables or base tables. The member tables in a SELECT statement of the view must all be structured in the same way, and the view must adhere to the following restrictions:
• All the columns from the ...
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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.