[XML-DEV Mailing List Archive Home] [By Thread] [By Date] [Recent Entries] [Reply To This Message]

RE: Separate data from rules ... is the XML Schema 1.1 <assert

• From: "Michael Kay" <mike@saxonica.com>
• To: "'Costello, Roger L.'" <costello@mitre.org>,<xml-dev@l...>
• Date: Wed, 17 Jun 2009 13:42:05 +0100

> I shall try.
> 
> First an example of a business rule: 
> 
>     A Level 1 manager has a maximum signature
>     authority of $10K.
> 
> 
>     An auto loan applicant, living in Ohio, is
>     underage if he/she is under 18 years of age.
> 
>     If a customer has no outstanding invoices, 
>     then the customer is of preferred status.
> 

I agree those are business rules and are best kept out of a schema.

What's more difficult are rules like "Every branch of the bank has a branch
manager" - that's on the borderline between structural rules and business
rules.

Regards,

Michael Kay
http://www.saxonica.com/
http://twitter.com/michaelhkay 

• Follow-Ups:
  • RE: Separate data from rules ... is the XML Schema 1.1<assert> element a step backwards?
    • From: "Costello, Roger L." <costello@mitre.org>
  • Re: Separate data from rules ... is the XML Schema 1.1 <assert> element a step backwards?
    • From: Andrew Welch <andrew.j.welch@gmail.com>

• References:
  • Separate data from rules ... is the XML Schema 1.1 <assert> elementa step backwards?
    • From: "Costello, Roger L." <costello@mitre.org>
  • Re: Separate data from rules ... is the XML Schema 1.1<assert> element a step backwards?
    • From: Frank Manola <fmanola@acm.org>
  • RE: Separate data from rules ... is the XML Schema 1.1<assert> element a step backwards?
    • From: "Costello, Roger L." <costello@mitre.org>