March 2001
Intermediate to advanced
400 pages
8h 35m
English
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15.1. The Role of Query Languages
Query languages, particularly SQL (Structured Query Language), represent a powerful force in applied computer science. Few businesses operate without a database, and every commercial database includes some form of a query language for retrieving data. The basic idea of SQL is that a query language empowers users to pose questions about data that no developer has foreseen. When you develop your own query language, you provide your users with this ability. Users of your language can derive new results without writing Java, and indeed without feeling as if they are “programming” at all.
The object that makes query languages possible is an engine. An engine knows how to answer a query, and it knows how to look through ...
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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.