• To: "Henry S. Thompson" <ht@i...>
• Subject: Re: Are people really using Identity constraints specified
• From: Jonathan Robie <jonathan.robie@d...>
• Date: Fri, 13 Aug 2004 08:26:11 -0400
• Cc: Priti Patil <priti@d...>, xml-dev@l...
• In-reply-to: <f5by8kj44ox.fsf@e...>
• References: <1092386726.3274.19.camel@sarang> <411CAB87.8070504@d...> <f5by8kj44ox.fsf@e...>
• User-agent: Mozilla Thunderbird 0.7.2 (Windows/20040707)

So in this sample, 5.3 percent of schema documents used identity 
constraints. Do these schemas have anything in common - do they come 
from similar application domains?

Jonathan

Henry S. Thompson wrote:
> I have a collection of slightly over 1000 distinct schema documents
> culled from the web, which I'll be describing and releasing soon.  I
> just checked, and conservatively the numbers are as follows:
> 
>   schema documents using key, keyref and/or unique:  53
>   uses of unique:                                   105
>   uses of key:                                      179
>   uses of keyref:                                   229
> 
> ht

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  • Re: Are people really using Identity constraints specifiedin XML schema?
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