Introduction to XML Schemas using eXcelon Stylus Studio

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Introduction to XML Schemasusing eXcelon Stylus
Studio

• XML schema language is a standard for specifying
  the structure of XML documents
• Uses the same syntax as XML documents
• Complex types correspond to table names
• Keys are specified using xsdunique, xsdkey, and
  xsdkeyref

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Stylus Studio Getting Started

• Opening a Schema
• Click on the folder
• - Choose an .xsd file

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Stylus Studio Getting Started
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Stylus Studio Getting Started

• Open a new XML Schema
• The opening page

You can type the schema here. Or, there is an
easier way
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Stylus Studio Getting Started

• Open a new XML Schema
• The opening page

Switch to the diagram view using the tabs at the
bottom
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Stylus Studio Getting Started

• Diagram View

Click on New Element Definition to create the
element company as pictured on page 850 of your
text, Figure 26.5.
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Stylus Studio Getting Started

• Diagram View

Type company in the name box
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Stylus Studio Getting Started

• Before creating the sequence you need to define
  the complex types

Use New Complex Type button to create Department
Type
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Stylus Studio Getting Started

• Create a sequence for Department type

Right click to get menu
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Stylus Studio Getting Started

• Create element departmentName

Right click to Add Child Element
Specify data type, min and max occurrences
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Stylus Studio Getting Started

• Specify data type for departmentName

You may specify min and max occurrences use the
default (1,1) in this case.
Type in data type or use pull down menu to verify
accurate naming.
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Stylus Studio Getting Started

• Create element departmentName

Now Department is visible in the pull down menu
for Data Type
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Stylus Studio Getting Started

• Validate your document as you go!

Validate Button
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Stylus Studio Getting Started

• Check your Schema against the text!

Use indent button to format text
Text View
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Stylus Studio Getting Started

• Adding a key or unique name

Click on id button and choose unique, key, or
keyref from pull down menu
Tree View
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Stylus Studio Getting Started
Click New Selector key to create the selector, or
field, xpath.
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Stylus Studio Getting Started
XPath is specified here
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Stylus Studio Getting Started
Next Step Try entering the rest of the
information yourself!!!