• To: Jeff Lowery <Jeff.Lowery@c...>, "'Chiusano Joseph'" <chiusano_joseph@b...>
• Subject: RE: key constraint question
• From: Jeff Lowery <Jeff.Lowery@c...>
• Date: Fri, 16 May 2003 10:30:15 -0700
• Cc: "'Bill Riegel'" <BRiegel@l...>, "'xml-dev@l...'" <xml-dev@l...>

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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