July 2017
Intermediate to advanced
896 pages
23h 12m
English
Content preview from Oracle Internals
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Chapter 31
Managing Database Objects in Sets
Jonathan Gennick
When I first began my career, I was a programmer operating in a mainframe COBOL environment. We wrote procedural code. Our typical programs were batch programs that read records from a file and processed those records in read–loop. The read–loop contained program logic to identify records of interest and to perform operations on those records. I worked in that environment for several years and I was happy.
In the early 1990s, I was introduced to relational databases and SQL. SQL allows you to work in terms of sets. Suddenly, rather than processing one record a time, I could process an entire set of records with one statement. This led a completely different way of thinking about ...
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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.