Storing: XML and Databases
8.1 Introduction
The act of querying XML obviously requires that there is XML to be queried. What most standards related to querying XML do not address is the question of where that XML is found.
In this chapter, we discuss several ways in which XML documents can be made available for querying. Among these are ordinary computer file systems, websites, relational database systems, XML database systems, and other persistent storage systems. Such persistence facilities may present a single XML document at a time, or they might provide the ability to query a collection of documents at once. Another source of XML, however, does not require persistent storage but involves XML that is presented to a client (such ...
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