September 1999
Intermediate to advanced
256 pages
7h 5m
English
Content preview from Oracle Web Applications: PL/SQL Developer's IntroBecome an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
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PLSXML Utilities and Demos
Steve Muench, Oracle Corporation’s “XML evangelist,” has developed a very interesting set of PL/SQL packages called the PLSXML utilities and demos. While they are still experimental, they can give you a clear idea of the power of generating XML inside the database. Additionally, there are several examples of how to use JavaScript and XML to create rich interfaces. The PLSXML packages are:
- DBXML
Uses dynamic SQL to automatically create XML documents from a SQL query. Based on the same technology as WebDB, DBXML reduces the package we developed earlier to a single procedure call.
- DBDOM
A PL/SQL implementation of the Document Object Model (DOM, the model used to create document trees) API that allows you to create, parse, and search XML documents.
- DBXSL
Generates formatting instructions called
XSL stylesheetsthat control how the browser renders an XML document.
You can download the PLSXML and its full documentation (it’s excellent) from:
http://www.oracle.com/xml/plsxml/index.html
In the next section, we’ll look at a product that takes full advantage of XML.
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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.