XML/XML Schema/Venetian Blind

Venetian Blind design Define global complex type and simple type definitions that are named and later referenced.

<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
  targetNamespace="http://www.wbex.ru" xmlns="http://www.wbex.ru"
  elementFormDefault="qualified">
  
    <xsd:complexType name="bookType">
      <xsd:sequence>
       <xsd:element name="title" type="xsd:string"/>
       <xsd:element name="author" type="xsd:string"/>
       <xsd:element name="author" type="xsd:string"/>
      </xsd:sequence>
    </xsd:complexType>
    <xsd:element name="book" type="bookType"/>
    
</xsd:schema>