XML/XML Schema/scale

set scale for money type value

File: Data.xml
<?xml version="1.0"?>
<product xmlns ="http://www.wbex.ru"
        xmlns:xsi="http://www.w3.org/2000/10/XMLSchema-instance"
        xsi:schemaLocation="http://www.wbex.ru
                            file://localhost/xml-course/xml-schemas/examples/metadata/product.xsd">
    <name>product</name>
    <weight>23</weight>
    <cost>41.95</cost>
    <retailer>http://www.wbex.ru</retailer>
</product>
File: Schema.xsd
<?xml version="1.0"?>
<xsd:schema xmlns:xsd="http://www.w3.org/2000/10/XMLSchema"
            targetNamespace="http://www.wbex.ru"
            xmlns="http://www.wbex.ru"
            elementFormDefault="qualified">
    <xsd:complexType name="product">
         <xsd:sequence>
              <xsd:element name="name" type="xsd:string" minOccurs="1" maxOccurs="1"/>
              <xsd:element name="weight" type="xsd:nonNegativeInteger" minOccurs="0" maxOccurs="1"/>
              <xsd:element name="cost" type="money" minOccurs="1" maxOccurs="unbounded"/>
              <xsd:element name="retailer" type="xsd:uriReference" minOccurs="1" maxOccurs="1"/>
        </xsd:sequence>
    </xsd:complexType>
    <xsd:simpleType name="money">
        <xsd:restriction base="xsd:decimal">
            <xsd:scale value="2"/>
        </xsd:restriction>
    </xsd:simpleType>
</xsd:schema>