July 2010
Intermediate to advanced
448 pages
12h 22m
English
Content preview from Physical Database Design
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248 CHAPTER 12 Automated Physical Database Design
customer sites can be reproduced by the vendor on local machines to help analyze
reported problems. An important invariant to maintain is that the recommendation
that is produced when tuning on the test server is identical to the recommendation that
would be produced had the tuning been done directly against the production server. If
this invariant is not maintained arbitrary degradation in quality may result. This
requires that all statistics that would have been used on the production server be avail-
able on the test server as well. Products like DB2 and SQL Server provide services to
easily enforce ...
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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.