March 2009
Intermediate to advanced
832 pages
23h 49m
English
book
Inside Microsoft® SQL Server® 2008: T-SQL Querying
by Lubor Kollar Itzik Ben-Gan Dejan Sarka, and Steve Kass
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Joins
Joins are operations that allow you to match rows between tables. I informally call these operations horizontal because the virtual table resulting from a join operation between two tables contains all columns from both tables.
I’ll first describe the different syntaxes for joins supported by the standard, and I’ll also briefly mention legacy proprietary elements in T-SQL. I’ll then describe the fundamental join types and their applications followed by further examples of joins. I’ll also include a focused discussion on the internal processing of joins—namely, join algorithms.
You’ll have a couple of chances to practice what you’ve learned by trying to solve a problem that encompasses previously discussed aspects of joins.
Old Style vs. New ...
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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.