Altova Mailing List Archives>Archive Index >xml-dev Archive Home >Recent entries >Thread Prev - Four things that I've recently learned [Thread Next] Re: [xml-dev] Four things that I've recently learnedTo: "Costello, Roger L." <costello@-----.---> Date: 5/8/2008 8:03:00 AM Hi Roger, Costello, Roger L. wrote: > [...] > > 4. Multiple validations on the data should be the norm, not the > exception. > > Also known as "concurrent validation." Grammar-based validation using > XML Schema or Relax NG is rarely (if ever) sufficient for checking all > your data constraints. Rule-based validation, using Schematron, is > typically needed for checking co-constraints, cardinality checks, and > algorithmic checks. The tandem of a grammar-based validation and > Schematron validation should be the norm. DocBook 5 already provides that, it ships with an NVDL script that validates against a Relax NG schema and against a Schematron schema. Best Regards, George -- George Cristian Bina www.---.com | ||||||
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