XML/XML Schema/minExclusive

xs:minExclusive defines a minimum value that cannot be reached

File: Data.xml

<?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:element name="data" type="strictlyPositive"/>
  <xsd:simpleType name="strictlyPositive">
    <xsd:restriction base="xsd:double">
      <xsd:minExclusive value="0" />
    </xsd:restriction>
  </xsd:simpleType>
</xsd:schema>

File: Schema.xsd

<?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:element name="data" type="strictlyPositive"/>
  <xsd:simpleType name="strictlyPositive">
    <xsd:restriction base="xsd:double">
      <xsd:minExclusive value="0" />
    </xsd:restriction>
  </xsd:simpleType>
</xsd:schema>