Why XML Over the Relational Model?

[Dave Winer]

>>In brief, then, XML is a very sophisticated exchange (import/export)
format, and RDBMs are very sophisticated storage and retrieval tools.
Different species, but they can be taught to play together nicely.

Excellent! That's exactly right, and I'd add..

XML opens the door for other kinds of storage systems that are more suited
to the hierarchies that can be represented in XML but are awkward in the
relational model.

Dave

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