July 2015
Intermediate to advanced
184 pages
4h 2m
English
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Preface
Relational databases have been one of the most widely used and most common forms of software systems for the storage of data since the 1970s. They are highly structured and store data in the form of tables, that is, with rows and columns. Structuring and storing data in the form of rows and columns has its own advantages; for example, it is easier to understand and locate data, reduce data redundancy by applying normalization, maintain data integrity, and much more.
But is this the best way to store any kind of data?
Let's consider an example of social networking:
Mike, John, and Claudia are friends. Claudia is married to Wilson. Mike and Wilson work for the same company.
Here is one of the possible ways to structure this data in a relational ...
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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.