- Processing XML documents with Oracle JDeveloper 11g
- Deepak Vohra
- 136字
- 2021-08-06 17:22:10
Chapter 4. XPath
As mentioned in the earlier chapters, XML documents can be used for the transfer of data. The data in an XML document may be retrieved either with the JAXP (Java API for XML Processing) DOM and SAX APIs, or with the JAXP XPath API. Addressing an XML document with XPath has the advantage that a single node may be selected directly without iterating over a node set. With SAX and DOM APIs, node lists have to be iterated over to access a particular node. Another advantage of navigating an XML document with XPath is that an attribute node may be selected directly. With DOM and SAX APIs, an element node has to be selected before an element attribute can be selected. In this chapter we shall discuss XPath support in JDeveloper.
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