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Re: SQL for presentation

From: J M Davitt <jdavitt_at_aeneas.net>
Date: Thu, 06 Jul 2006 01:41:14 GMT
Message-ID: <_SZqg.11428$vl5.1730_at_tornado.ohiordc.rr.com> 






Bruno Desthuilliers wrote:


> J M Davitt a écrit :


> (snip)

> 

>>
>>> In web applications, the presentation - HTML - is a data structure.  
>>
>>
>> HTML is a markup language.  I would hesitate to call it a
>> structure simply because it has a hierarchic tag scheme.  




> 

> It's yet common in web application to have an internal tree representing 


> the "hierarchic tag scheme". In Javascript, this is called the DOM 

> (Document Object Model). Some web template systems also create this 

> tree, then transform it to it's textual (HTML) representation. AFAIK, in 

> any CS101 course or book, a tree is a data structure.




Of course it is.  And I don't doubt that one can generate HTML from
collections of such -- as I mentioned: I've done this with two
databases.  And I've written plenty of Javascript.



So, yes, an HTML document is a structure.  But HTML isn't very
rigorous and.in no way is the structure of an HTML document
comparable to the structure of the relational model or, more
appropriately, PDF.


>> It
>> certainly lacks the rigorous features that the relational model
>> calls structure and uses to store and manipulate data.




> 

> 

> And ?


> 

Received on Thu Jul 06 2006 - 03:41:14 CEST












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