February 2018
Intermediate to advanced
960 pages
22h 7m
English
book
SQL Queries for Mere Mortals: A Hands-On Guide to Data Manipulation in SQL, 4th Edition
by John L. Viescas
Content preview from SQL Queries for Mere Mortals: A Hands-On Guide to Data Manipulation in SQL, 4th Edition
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9OUTER JOINs
“The only difference between a problem and a solution is people understand the solution.”
—CHARLES FRANKLIN KETTERING INVENTOR, 1876–1958
Topics Covered in This Chapter
In the previous chapter, I covered all the “ins” of JOINs—linking two or more tables or result sets using INNER JOIN to find all the rows that match. Now it’s time to talk about the “outs”—linking tables and finding out not only the rows that match but also the rows that don’t match.
What Is an OUTER JOIN?
As I explained in the previous chapter, the SQL Standard defines several types of JOIN operations to link two or more ...
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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.