[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message] Re: Three ways to organize data
On 3/20/2023 12:02 PM, Roger L Costello wrote: Not so different as the second way, really. id/idref can be thought of as Primary Key/Foreign Key pairs. And the four xml docs of the second way could all be brought into a single XML document as external entities. Or Way #2 could be transformed into Way #3 with an XSLT transformation.... The third way is to use the ID-IDREF capability of XML. <BooksAndWatches> <Book id="PLAI"> <Title>Programming Languages Application and Interpretation</Title> <Date>2007</Date> <Author idref="SK">Shriram Krishnamurti</Author> </Book> <Watch id="TimexInd"> <Brand>Timex</Brand> <Model>Indiglo</Model> <Power idref="Lit">Battery</Power> </Watch> <Author id="SK"> <Name>Shriram Krishnamurti</Name> <Employer>Brown University</Employer> </Author> <Battery id="Lit"> <Chemistry>Lithium</Chemistry> <Volts>3</Volts> </Battery> </BooksAndWatches>
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