<?xml version="1.0" encoding="UTF-8"?>
<xsd:schema 
  xmlns:xsd="http://www.w3.org/2001/XMLSchema" 
  xmlns:mysql="http://snowboards-for-sale.com/ns/mysqlxb" 
  xmlns:php="http://snowboards-for-sale.com/ns/phpxb"
  targetNamespace="http://snowboards-for-sale.com/ns/Types"
  >
  <xsd:simpleType name="positiveIntegerOrNULL">
    <xsd:restriction base="xsd:string">
      <xsd:pattern value="[0-9]*"/>
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:simpleType name="integerOrNULL">
    <xsd:restriction base="xsd:string">
      <xsd:pattern value="[0-9]*"/>
    </xsd:restriction>
  </xsd:simpleType>
  <xsd:simpleType name="positiveFloatOrNULL">
    <xsd:restriction base="xsd:string">
      <xsd:pattern value="[0-9\.]*"/>
    </xsd:restriction>
  </xsd:simpleType>
</xsd:schema>