June 2015
Intermediate to advanced
1800 pages
70h 6m
English
book
Microsoft SQL Server 2014 Unleashed
by Ray Rankins, Paul Bertucci, Chris Gallelli, Alex T. Silverstein
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Implementing Page Compression
Page compression can be implemented for a table at the time it is created or by using the ALTER TABLE command, as in the following example:
ALTER TABLE Sales.SalesOrderDetail REBUILD WITH (DATA_COMPRESSION=PAGE)
Unlike row compression, which is applied immediately on the rows, page compression isn’t applied until the page is full. The rows cannot be compressed until SQL Server can determine what encodings for prefix and dictionary substitution are going to be used to replace the actual data. When you enable page compression for a table or a partition, SQL Server examines every full page to determine the possible space savings. Any pages that are not full are not considered for compression. ...
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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.