September 2002
Intermediate to advanced
1008 pages
22h 3m
English
IN THIS CHAPTER
22.1 XML Schema Design Considerations
22.2 General Discussion of Facet Restrictions
22.3 Check Constraints versus Triggers
22.4 Datatypes
This chapter covers the mapping of XML Schema datatypes to an Oracle9i relational database. Whereas XML Schema datatypes are numerous and have a wide range of facets, database schema columns have a small subset and have little built-in support for datatype facets. Representing datatype types is complex and requires numerous design and implementation trade-offs.
Because much of this chapter is meant for a database designer and implementer, the chapter begins with some issues an XML schema designer should be aware of when designing an XML schema that ...
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