Re: XML to object relational
I am not sure what you mean by mapping an XML document instead of mapping a DTD (or other XML schema). For example, do you mean that I can map the first A element in an XML document to table A1 and the second A element to table A2? One way to do this would be to use XPointers in the mapping information to identify individual elements and map these to objects / the database. However, there doesn't seem to be much point in doing this. My guess is that your question is really how to map a document to the database when the document doesn't have a DTD. Technically, no DTD is necessary. At run time, the software just looks at the name of an element/attribute, gets the mapping information, and transfers the data to the correct table/column. No DTD is involved. However, when you build the map, you essentially build a DTD. This is because all elements of the same type are transferred the same way. Thus, the map effectively defines the DTD. For example, if element A has a child B in one place and a child C in another place, the map must map both children. Does this help? -- Ron brahim wrote: > > I am looking for a mapping method from xml Docment(not a DTD) to Object > Relational model so if anyone can help me I'd appreciate it... > However I found a paper titeled: > Shuichi Nishioka, Makoto Onizuka: Mapping XML to Object Relational Model. > International Conference on Internet Computing (1) 2001: 171-177 > but I could not find it anywhere on the internet... > if anyone can send it to me or send me the link to it , I would be so > thankfull to them... > Thanks. > Brahim. -- Ronald Bourret Programming, Writing, and Research XML, Databases, and Schemas http://www.rpbourret.com
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