Requiring Elements to Appear in Sequence : Sequence « XML Schema « XML Tutorial

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XML Tutorial » XML Schema » Sequence 
3. 57. 2. Requiring Elements to Appear in Sequence
A sequence determines the order in which its contained elements may appear in an XML document.
A sequence can also contain other sequences, choices or references to named groups.
A sequence may be contained in a complex type definition in other sequences, or in a set of choices or in named group definitions.
It's legitimate for a sequence to contain only one element.

 
<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
  targetNamespace="http://www.java2java.com" xmlns="http://www.java2java.com"
  elementFormDefault="qualified">

  <xsd:complexType name="animalType">
    <xsd:sequence>
      <xsd:element name="name" type="xsd:string" minOccurs="2" />
      <xsd:element name="subspecies" type="xsd:string" />
    </xsd:sequence>
  </xsd:complexType>
</xsd:schema>
3. 57. Sequence
3. 57. 1.  Declarations
3. 57. 2. Requiring Elements to Appear in Sequence
3. 57. 3. The minOccurs and maxOccurs attributes can be used with compositors
3. 57. 4. The sequence compositor allows you to require a sequence for child elements in a content model
3. 57. 5. Fixed Order: All Elements Required
3. 57. 6. Fixed Order Optional Elements
3. 57. 7. Requiring Repeating Sequences of Elements
3. 57. 8. Require Both Elements or None
3. 57. 9. Requiring Elements in a Mixed Model
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