September 2002
Intermediate to advanced
1008 pages
22h 3m
English
book
XML Schema Complete Reference, The
by Cliff Binstock, Chris Galtenberg, Mike Wooding, Chris Dix, Mitchell Smith, Dave Peterson
Content preview from XML Schema Complete Reference, The
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Chapter 12. Built-in Datatypes
IN THIS CHAPTER
12.1 Numeric Datatypes
12.2 Date, Time, and Duration Datatypes
12.3 String Datatypes
12.4 Oddball Datatypes
A datatype has two primary components, plus “facets” that are used to describe derived datatypes. The two primary components are a value space and a lexical space. The character strings in the lexical space serve as names for the abstract objects in the value space. There must, of course be a prescribed mapping from lexical-space character strings to value-space values. It’s the lexical-space strings that actually occur in XML documents.
On the other hand, most restriction derivations involve restrictions on permitted values in the value space, so when defining restrictions (via an appropriate ...
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