October 2011
Intermediate to advanced
688 pages
24h 5m
English
book
SQL Server MVP Deep Dives, Volume 2
by Brad McGehee, Louis Davidson, Greg Low, Kimberly Tripp, Paul S. Randal, Kalen Delaney, Paul Nielsen
Content preview from SQL Server MVP Deep Dives, Volume 2
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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.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.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.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.
Chapter 2. “Yes, we are all individuals” A look at uniqueness in the world of SQL
Rob Farley
This chapter looks at the idea of uniqueness, in both database design and query design. I explain the ways in which uniqueness can be enforced and compare the features of each. I then examine the idea of uniqueness within datasets, and challenge some basic methods that people use to create GROUP BY clauses. I hope you gain a new appreciation for uniqueness so that you can echo the Monty Python team in shouting “Yes, we are all individuals!”
Note
For all my examples, I’ll use the AdventureWorks sample database, running on a SQL Server 2005 instance, connecting with SQL Server 2008 R2 Management Studio. I prefer the way that the later versions of SSMS ...
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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.