August 2002
Intermediate to advanced
944 pages
22h 32m
English
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Data Access
Business applications inevitably need to use data. Most systems use a database of some sort, often a relational database. Applications can use SQL for querying and maintaining relational data.
SQL has a long and checkered history, which I won’t relate. Suffice it to say that SQL is useful for identifying data and specifying operations to be performed in a standard manner, but that there are two things SQL does not do:
It does not specify how an SQL operation should be performed; it defines only what the results should be. This is not a problem for most developers (unless you’re building your own DBMS). Database vendors fall over themselves trying to prove that their solution operates several orders of magnitude faster than the competition. ...
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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.