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Re: The Browser Wars are Dead! Long Live the Browser Wars!

  • To: paul@p..., xml-dev@l...
  • Subject: Re: The Browser Wars are Dead! Long Live the Browser Wars!
  • From: "Anupam Singh" <avsingh@h...>
  • Date: Tue, 22 Oct 2002 00:02:35 +0000
  • Bcc:

Re:  The Browser Wars are Dead! Long Live the Browser Wars!

Yes, almost every data format/store can be abstracted as an XML
view. The question that is yet-to-be-answered is whether these
XML views will be as operationally efficient as SQL based views.

Historically, client-side/persistence-independent view solutions
are good enough when the data set is small enough and concurrency
requirements are minimal. Once performance becomes a major issue,
the 'view' becomes materialized or gets tied to the storage format,
once performance becomes a major issue.

It remains to be seen whether there will be an 'XML view'
technology which is efficient without tying itself to a certain
storage format.

Anupam Singh

>From: Paul Prescod <paul@p...>
>To: Dare Obasanjo <dareo@m...>, xml-dev <xml-dev@l...>
>Subject: Re:  The Browser Wars are Dead! Long Live the Browser 
>Date: Mon, 21 Oct 2002 16:45:51 -0700
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>Dare Obasanjo wrote:
>>  ...
>>This has little to do with the differences between relational and XML
>>querying. All you've pointed out is that XML queries are typically done
>>against a "view" while SQL queries are typically run against an actual
>>database schema. A query against XML can be similarly tightly coupled if
>>done against an XML repository (i.e. a native XML or XML-enabled DBMS)
>>as can a SQL query be loosely coupled if performed against a SQL view.
>XML tools are typically designed with a "view" mindset. The XML document is 
>the interchange format of some data. There is almost always logic, whether 
>declarative or procedural, mapping to the persistence layer and the 
>toolkits are designed to help with that. I wouldn't really no how to go 
>about creating a SQL-queryable "view" in C as an abstraction over a variety 
>of SQL, OO and legacy data sources. Is there (for example) an open source 
>project or .NET component that would help me with that? Would I have to 
>become a deep magic expert at Postgres or SQL server versus spending a half 
>day with Expat?
>My understanding is that Microsoft has tried various experiments about the 
>"universal data view architecture" (ODBC, ADO, ec. etc.) and so-far, XML 
>has "won". In my experience, it is quite uncommon to create SQL views 
>outside of a SQL database, and very common (and easy) to create XML views 
>of all sorts of information.
>  Paul Prescod
>The xml-dev list is sponsored by XML.org <http://www.xml.org>, an
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