xsd 1.1 and foreign keys

Roberto Marabini <[email protected]> Sat, 1 Jun 2013 16:13:02 +0200

Newsgroups	gmane.text.xml.xerces-j.user
Message-ID	<CAF8w2saxt3Kkm-LXwmpRgtwHb50S8Npi5k59zDmSxb4BS_Gt-Q@mail.gmail.com>

Hi,

  I am trying to insert primary and foreign keys in a XSD schema.
  I have been able to create the two attached files in which  students,
  addresses and a  student/address relationship are defined.

 An example of a student and address elements is:

====
    <Student>
        <Title>Title1</Title>
        <FirstName>FirstName1</FirstName>
        <LastName>LastName1</LastName>
        <Dateborn>1900-01-01</Dateborn>
        <Gender>Gender1</Gender>
        <StudentID>StudentID2</StudentID>
        <AddressID>AddressID1</AddressID>
    </Student>
    <Address>
        <AddressID>AddressID1</AddressID>
        <Street>Street1</Street>
        <City>City1</City>
        <Province>Province1</Province>
        <Country>1900-01-01</Country>
        <PostalCode>PostalCode1</PostalCode>
    </Address>

================

Now, I would like to use as key not "AddressID" but the pair ("Street","City")
How should I modify the xsd file?

         Thnaks in advance

                Roberto


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s.xml (text/xml, 1.3 KB)

<?xml version="1.0" encoding="utf-8" standalone="yes"?>
<!-- Sample XML generated by QTAssistant (http://www.paschidev.com) -->
<World xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
    <Student>
        <Title>Title1</Title>
        <FirstName>FirstName1</FirstName>
        <LastName>LastName1</LastName>
        <Dateborn>1900-01-01</Dateborn>
        <Gender>Gender1</Gender>
        <StudentID>StudentID1</StudentID>
        <AddressID>AddressID1</AddressID>
    </Student>
    <Student>
        <Title>Title1</Title>
        <FirstName>FirstName1</FirstName>
        <LastName>LastName1</LastName>
        <Dateborn>1900-01-01</Dateborn>
        <Gender>Gender1</Gender>
        <StudentID>StudentID2</StudentID>
        <AddressID>AddressID1</AddressID>
    </Student>
    <Address>
        <AddressID>AddressID1</AddressID>
        <Street>Street1</Street>
        <City>City1</City>
        <Province>Province1</Province>
        <Country>1900-01-01</Country>
        <PostalCode>PostalCode1</PostalCode>
    </Address>
    <Address>
        <AddressID>AddressID2</AddressID>
        <Street>Street1</Street>
        <City>City1</City>
        <Province>Province1</Province>
        <Country>1900-01-01</Country>
        <PostalCode>PostalCode1</PostalCode>
    </Address>
</World>

s.xsd (application/octet-stream, 2.1 KB) - not displayed