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[main] SQL instead of XQuery


nuic> SQL is great for querying and updating it. ...
nuic> policy documents are encoded as some kind of smart template,
nuic> so that a join in a language like XQuery can automatically create the
nuic> policy documents tailored for each customer.

Join of language like SQL can create tailored documents too via Web Service, e.g.
So there is no advantages of XQuery (let's make comparison
characteristic during all time, instead to agitate for only one technology).

nuic> SQL and relational are cleaner (not to say
nuic> having decades of deployment and training investment)

You are saying, that SQL is cleaner than XQuery,
relational is cleaner than xml's specifications,
but no XML/XQuery require more time and investment, but SQL requires ??

nuic> firms store lists of customers in
nuic> relational (probably), but the contracts, legal decisions, etc. are all
nuic> documents.

  If documents have regularized form (i.e. satisfied to some template),
then they can be easy entered into rational engine
(and even automatically: slides #7-9 in http://sql50.euro.ru/sql5.11.1.ppt ).
 If documents have not regularazed form, you will write separate
XQuery-request for each separate document ??
 So non advantage to store document in XML.

  SQL with my proposal can also read xml-documents from local
filesystem and remote Web-servers (slides #119).
  So non advantages of XQuery.


nuic> The point is that what makes XML so valuable is not just that it can do
nuic> documents, but that it can do these combined document/data applications.

Necessity to combine code and data into one script (like in Perl)
does not exist, right ?

nuic> It's the
nuic> combination of data and documents in a uniform model that's powerful.

I have read attentively your description of request, have imagined it
both in XQuery and SQL form, and have found, that both of forms are
equally powerfull [or not powerfull, depending of point of view :) ].

Dmitry Turin
HTML6     (6. 5.3)  http://html60.euro.ru
SQL5      (5.11.1)  http://sql50.euro.ru
Unicode7  (7. 2.1)  http://unicode70.euro.ru
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