September 2021
Beginner
624 pages
18h 4m
English
Content preview from SQL in 24 Hours, Sams Teach Yourself, 7th Edition
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Hour 2
Exploring the Components of the SQL Language
What You’ll Learn in This Hour:
▶ An introduction to and brief history of SQL
▶ An overview of the SQL standard
▶ An introduction to some vendor implementations of SQL
▶ The basic components, or sublanguages, that comprise the SQL language
SQL has many components that are simple yet offer flexibility and power for any user communicating with a relational database. This hour provides a broad overview of SQL, to cover some preliminary concepts that you need to know before you jump into hands-on exercises and coding. Be patient with this hour; the “boring” background material helps you build a solid starting foundation.
SQL Definition and History
Every modern business uses and stores ...
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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.