Database Reference
In-Depth Information
17
XML in Oracle
In this chapter:
What is XML?
What is XSL?
What are the different XML generation methods for Oracle SQL?
How do we create XML objects from database tables?
How can XML document objects stored in the database be viewed
and altered?
As in many modern databases, there is immense capability in Oracle
SQL for utilizing the power of XML. This chapter only covers XML as
directly related to Oracle SQL. In other words, we examine how XML doc-
uments can be created, accessed, and manipulated directly from within
Oracle SQL. To begin with, let's briefly summarize exactly what XML is. To
accomplish this, we have to start at the root of browser scripting languages,
HTML. So what is XML?
17.1
What Is XML?
Hypertext Markup Language (HTML) is limited to a predefined set of tags.
Those tags allow the creation of documents that are generally executable in
a Web browser.
1
This is a very simple HTML document:
<HTML>
<HEAD>
<P>This is the document header.</P>
</HEAD>
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