Chapter 12 Built-in simple types

This chapter describes the 44 built-in simple types that are included in XML Schema. These simple types represent common data types that can be used directly in schemas. They are also the foundation for deriving other simple types, as described in Chapter 9, “Simple types.” A complete reference to the built-in simple types and the facets that apply to them can be found in Appendix B, “Built-in simple types.”

12.1 Built-in types

There are 44 simple types built into XML Schema. They are specified in Part 2 of the XML Schema Recommendation. This part of the Recommendation makes a distinction between “datatypes” and “simple types.” Datatypes are abstract concepts of data, such ...

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