October 1996
Intermediate to advanced
687 pages
16h 41m
English
Content preview from Advanced Oracle PL/SQL Programming with Packages
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17.5. Implementing PLVhlp
I hope that you put PLVhlp to use in your environment; the earlier sections in this chapter should provide a clear guide to doing so. My objective with this book, however, is to also help you develop a philosophy and perspective on your PL/SQL development so that you can build your own utilities like PLVhlp. The rest of this chapter explores the issues, technical challenges, and solutions I encountered in my implementation of PLVhlp.
To show the iterative, spiraling nature of software development, I will step through the implementation of PLVhlp in two stages. In stage one, I build a relatively simple, but effective working model of a script to deliver online help. This version is based on SQL and works only in the SQL*Plus environment. In the second stage, I build a more comprehensive, flexible, and feature-rich online help architecture based on PL/SQL packages (PLVhlp, of course).
17.5.1. Principles for Online Help
The great thing about PL/SQL is that you can use it darn near anywhere: UNIX servers in SQL*Plus, Oracle Forms, home pages on the Internet... you name it and PL/SQL rears its pretty face. Furthermore, the scope of PL/SQL will also almost certainly expand over the years as well, as it becomes one of the key enabling technologies for application partitioning in n-tier environments (now it's three-tier, but why not four- or five-tier? The more layers the better?).
The ubiquitousness of PL/SQL implies to me at this point in time that I want ...
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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.
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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.