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   Re: [xml-dev] What niche is XQuery targeting?

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Daniela Florescu wrote:

> We can go into more details of why it is so but it seems like
> an evidence to me. Just count how many companies are
> implementing it, and how many universities are teaching it,
> how many XQuery books are in print, how much the next generation
> of the SQL standard will depend on it, plus the fact the all three
> major database vendors will support it in the next generation of their
> products, etc, etc, to get  a rough initial  idea of the current level of
>  interest in XQuery.

Universities are teaching it? That's a bit of a surprise. Which ones? 
I'd be curious to now more about this.

However, I do know something about the developer books industry; and 
from personal experience I can assure you:

1. Authors don't always bet on the right technologies.

2. The number of books published on a subject doesn't always indicate 
the actual level of interest or potential success of a given technology 
within the market.

3. The XQuery books that have been published have not done well in the 
market, and you'd be hard pressed to get a publisher to commit to a new 
one at this time.

Perhaps we're in the trough of the classic double bump adoption curve. 
Past the initial hype excitement, and before actual practical 
applications. If so things may pick up again, but it's hard to predict 
the future. It may be that XQuery proves to be more like CORBA: a 
technology that always had huge vendor interest and author support, but 
never really came close to fulfilling what had been promised for it. 
Time will tell.

Elliotte Rusty Harold  elharo@metalab.unc.edu
XML in a Nutshell 3rd Edition Just Published!


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