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I might be missing something...how does that ensure there is a TableB
with the relationship of "needed"? Couldn't the one occurrence of TableB
still have an attribute value of "optional"?
Jeff Lowery wrote:
>
> Whoops... You'll need a derived restricted Table B for the secondaryB,
> minus the secondaryB.
>
> I hope that's it.
>
> > <?xml version="1.0" encoding="UTF-8"?>
> > <xs:schema xmlns:xs="http://www.w3.org/2001/XMLSchema"
> > elementFormDefault="qualified" attributeFormDefault="unqualified">
> > <xs:element name="TableA">
> > <xs:complexType>
> > <xs:sequence>
> > <xs:element name="primaryKey"/>
> > <xs:element name="TableB" type="TableB_Type"
> > minOccurs="1"/> <!---->
> > </xs:sequence>
> > </xs:complexType>
> > </xs:element>
> > <xs:complexType name="TableB_Type">
> > <xs:sequence>
> > <xs:element name="primaryKey" type="xs:string"/>
> > <xs:element name="secondaryB" type="TableB_Type"
> > minOccurs="0"/> <!---->
> > </xs:sequence>
> > <xs:attribute name="relationship">
> > <xs:simpleType>
> > <xs:restriction base="xs:token">
> > <xs:pattern value="needed|optional"/>
> > </xs:restriction>
> > </xs:simpleType>
> > </xs:attribute>
> > </xs:complexType>
> > </xs:schema>
> >
> >
>
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