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RE: Help creating DTD

• To: 'Karl Stubsjoen' <karl@e...>, Xml-Dev <xml-dev@l...>
• Subject: RE: Help creating DTD
• From: "CHIUSANO, Joseph" <JCHIUSANO@l...>
• Date: Tue, 9 Jul 2002 18:17:37 -0400
• Return-receipt-to: "CHIUSANO, Joseph" <JCHIUSANO@l...>

Another possibility In terms of the structure would be to group the items together separately from the Orders, and reference each item to its corresponding order using an IDREF-type attribute.  So instead of the XML document structure being as follows:

  <?xml version="1.0" encoding="UTF-8" ?>
- <ORDER>
        <UID>DSM/RSM USER NAME</UID>
        <DEALER>21</DEALER>
- <ORDERS>
        <ITEM id="0116602800">7</ITEM>
        <ITEM id="1106500706">8</ITEM>
        <ITEM id="1106502706">9</ITEM>
        <ITEM id="1106700706">5</ITEM>
        <ITEM id="1106702706">7</ITEM>
        <ITEM id="0100102883">3</ITEM>
        <ITEM id="0100100805">333</ITEM>
        <ITEM id="0101000725">5</ITEM>
  </ORDERS>

It would be as follows:

  <?xml version="1.0" encoding="UTF-8" ?>
- <ORDERS>
     <ORDER orderID="123">     
        <UID>DSM/RSM USER NAME</UID>
        <DEALER>21</DEALER>
        ...additional order information here...
     </ORDER>  
     <ORDER>   
        ...order information here...
     </ORDER>  
  </ORDERS>
- <ITEMS>
        <ITEM itemID="0116602800" orderID="123">
           ...item information here...
        </ITEM>
        <ITEM itemID="1106500706" orderID="456">
           ...item information here...
        </ITEM>
  </ITEMS>

The "orderID" attributes above would be IDREF-type attributes.  In W3C Schema, the KEY/KEYREF constructs would be used instead of ID/IDREF-type attributes.

Regards,
Joe Chiusano
LMI

> **************************************************************************
>   Joseph M. Chiusano
>   Logistics Management Institute
>   2000 Corporate Ridge
>   McLean, VA 22102
>   Email: jchiusano@l...
>   Tel: 571.633.7722
> **************************************************************************
>

-----Original Message-----
From: Karl Stubsjoen [mailto:karl@e...]
Sent: Tuesday, July 09, 2002 4:44 PM
To: Xml-Dev
Subject: RE: Help creating DTD

Don't know if this makes a difference, but...
It is the value of the <ITEM /> node which must be numeric > 0
The property "id" of <ITEM /> can be anything (numerical or character).

Also - should I be creating a DTD or a Schema?

Karl

-----Original Message-----
From: Karl Stubsjoen [mailto:karl@e...]
Sent: Tuesday, July 09, 2002 1:19 PM
To: Xml-Dev
Subject: Help creating DTD

Hello,

I need help creating a DTD.  Actually, is it a DTD that I mean to create?  I
have an existing XML document, from this I need to create a *template*
(dtd?) which I can then use to validate future XML documents.

My XML document looks like this:

  <?xml version="1.0" encoding="UTF-8" ?>
- <ORDER>
        <UID>DSM/RSM USER NAME</UID>
        <DEALER>21</DEALER>
- <ORDERS>
        <ITEM id="0116602800">7</ITEM>
        <ITEM id="1106500706">8</ITEM>
        <ITEM id="1106502706">9</ITEM>
        <ITEM id="1106700706">5</ITEM>
        <ITEM id="1106702706">7</ITEM>
        <ITEM id="0100102883">3</ITEM>
        <ITEM id="0100100805">333</ITEM>
        <ITEM id="0101000725">5</ITEM>
  </ORDERS>
  </ORDER>

I'll try and describe the above:

<ORDER> can contain any number of child elements
<UID> must be included
<DEALER> must be included
<ORDERS> must be included

<ORDERS> can contain multiple ITEM(s) but restricted to just ITEM nodes
<ITEM> must have unique id property and the value of item must be numeric >
0

Thanks for the help!
*meanwhile I will give this a go myself!*

Karl

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