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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Data Compression
SQL Server 2008 introduced a new data compression feature that is available in Enterprise and Datacenter Editions. Data compression helps to reduce both storage and memory requirements as the data is compressed both on disk and when brought into the SQL Server data cache.
When compression is enabled and data is written to disk, it is compressed and stored in the designated compressed format. When the data is read from disk into the buffer cache, it remains in its compressed format. This helps reduce both storage requirements and memory requirements. It also reduces I/O because more data can be stored on a data page when it’s compressed. When the data is passed to another component of SQL Server, however, the Database Engine ...
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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.