<xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema" elementFormDefault="qualified"> | |
<xs:element name="Songs"> | |
<xs:complexType> | |
<xs:sequence> | |
<xs:element name="Song" maxOccurs="unbounded"> | |
<xs:complexType> | |
<xs:attribute name="title" use="required"/> | |
</xs:complexType> | |
</xs:element> | |
</xs:sequence> | |
</xs:complexType> | |
<xs:unique name="Song"> | |
<xs:selector xpath="*:Song"/> | |
<xs:field xpath="@title"/> | |
</xs:unique> | |
</xs:element> | |
</xs:schema> |