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Re: XML vs JSON

  • From: Hans-Juergen Rennau <hrennau@yahoo.de>
  • To: Michael Kay <mike@saxonica.com>
  • Date: Fri, 18 Aug 2017 19:44:17 +0000 (UTC)

Re:  XML vs JSON
Michael, when writing  ...

"The key difference is that JSON is designed to make it easy for programs to exchange data with each other, whereas XML is designed to represent documents."

could you venture a definition of the term "document" in this context?

And if

<getFlights>
      <departureAirport>CGN</departureAirport>
      <departureDate>2017-08-18</departureDate>
</getFlights>

is a document, as I would suppose (as it falls into the scope XML has been designed for), is

{
      "getFlights": {
            "departureAirport": "CGN",
            "departureDate": "2017-08-18"
      }
}

less so? If not, are those exchanged data not documents?
     
Kind regards,
Hans-J├╝rgen
 


Michael Kay <mike@saxonica.com> schrieb am 19:09 Freitag, 18.August 2017:


These are universal data structures. Virtually all modern programming languages support them in one form or another. 

Not just modern ones. COBOL records are pretty much isomorphic to JSON objects, give or take a few aberrations like REDEFINES.

The key difference is that JSON is designed to make it easy for programs to exchange data with each other, whereas XML is designed to represent documents.

Michael Kay
Saxonica






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