XML Storage Options
In Oracle Database 11g, there are three XMLType storage options: relational tables with XMLType views, object-relational (O-R) XMLTypes, and binary XMLTypes. The relational table storage shreds XML documents and stores the data in one or more relational tables. XMLType views are created to generate XML and enable XML queries and updates on relational data. The object-relational (O-R) XMLTypes parse XML documents and store them in a set of object-relational tables defined by registered XML schemas. The binary XMLTypes store XML in a pre-parsed compact binary format designed to optimize XML-based operations.
Figure 12-1 summarizes the XML storage options. When XML contains highly structured data, you can shred the XML documents ...
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