May 2009
Beginner
840 pages
16h 18m
English
book
Sams Teach Yourself SQL in One Hour a Day, Fifth Edition
by Ryan Stephens, Ron Plew, Arie D. Jones
Content preview from Sams Teach Yourself SQL in One Hour a Day, Fifth Edition
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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.
LESSON 2Introducing the Query
Welcome to Lesson 2! By the end of this lesson, you will be able to do the following:
• Understand what a query is and how it is used.
• Understand the syntax and use of SELECT and FROM.
• Select and list all rows and columns from a table.
• Select and list specific columns from a table.
• Select and list columns from different tables.
Exploring SQL’s Background
To fully use the power of a relational database as described briefly in Lesson 1, “Getting Started with SQL,” you need to communicate with it. The ultimate communication would be to turn to your computer and say, in a clear, distinct voice, “Show me all the left-handed, brown-eyed bean counters who have worked for this company for at least 10 years.” A ...
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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.