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Re: XML Schema as a data modeling tool

  • From: Michael Kay <mike@saxonica.com>
  • To: Stephen Cameron <steve.cameron.62@gmail.com>
  • Date: Tue, 1 Oct 2013 14:30:43 +0100

Re:  XML Schema as a data modeling tool
On 1 Oct 2013, at 14:01, Stephen Cameron wrote:

> Hi Michael,
> 
> Not always, I agree that is why relational databases became so dominant, that you have the capability to answer any virtually any question via SQL. But in some cases I think that performance is the main issue (I am not an expert on this by any means),

I didn't say that designing performant databases isn't important. I said that that's not what data modelling is about. Data modelling is about understanding the problem. Once you understand it, that's the time to start designing a performant database: even if necessary cutting corners by simplifying the model.

Michael Kay
Saxonica


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