Hi,
I have questions about the syntax of schema:
I want to write a schema for the purchaseOrder example with conditions: (1) shipTo, comment, items can appear in any order under purchaseOrder; (2) name, street, city, state, zip can appear in any order under shipTo; (3) itemQuantity, item can appear any order under items; (4) productName, quantity, USPrice can appear in any order under item; (5) there can be more than one item under items; (6) the price for one Lawnmower is 148.95 and the price for one Baby Monitor is 39.98.
The problems I have are (1) I don't know what to use to enforce the order described above; (2) I don't know a way to tie the price with the product.
<purchaseOrder>
<shipTo>
<name>Alice Smith</name>
<street>123 Maple Street</street>
<city>Mill Valley</city>
<state>CA</state>
<zip>90952</zip>
</shipTo>
<comment>Hurry, my lawn is going wild!</comment>
<items>
<itemQuantity>2</itemQuantity>
<item>
<productName>Lawnmower</productName>
<quantity>1</quantity>
<USPrice>148.95</USPrice>
</item>
<item>
<productName>Baby Monitor</productName>
<quantity>1</quantity>
<USPrice>39.98</USPrice>
</item>
</items>
</purchaseOrder>
Thank you very much. Ha
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