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XML Schema and Stylus Studio. Introduction to XML Schema. XML Schema defines building blocks of a XML document XML Schemas are alternative to DTD Why XML Schema? Supports data types Written in XML Supports namespaces Extensible to future additions. XML Schema.

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Presentation Transcript
introduction to xml schema
Introduction to XML Schema
  • XML Schema defines building blocks of a XML document
  • XML Schemas are alternative to DTD
  • Why XML Schema?
    • Supports data types
    • Written in XML
    • Supports namespaces
    • Extensible to future additions
xml schema
XML Schema
  • Tables in XML schemas are represented by complex elements.
  • Columns are represented as sub elements of complex elements.
  • Unique keys are represented by xsd:unique
  • Primary keys are represented by xsd:key
  • Foreign keys are represented by xsd:keyref
stylus studio1

Click on this to create New Element Definition

Click on this to create New Complex Type Element

Stylus Studio
stylus studio adding xsd keys xsd keyref to element definition

Click on the ID button to add new Identity constraint

After adding an Identity constraint, You can select the constraint type like Unique, key or keyref from drop-down menu

Stylus Studio – Adding xsd:keys, xsd:keyref to Element Definition
stylus studio adding selector element

Click on the ID button to add new selector

After adding new selector, You can select the Selector/field from drop-down menu

Stylus Studio – Adding selector element
stylus studio4

Click on this to Indent XML tags

Click on this to validate the XML Schema

Stylus Studio
thank you
Thank You

Any Questions?

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