[xquery-talk] Re: The State of Native XML databases
John Snelson
john.snelson at oracle.com
Tue Aug 21 14:26:05 PDT 2007
Elliotte Harold wrote:
> Ilya Sterin wrote:
>
>> I don't necessarily debate the schema itself, but there must be a DDL
>> to represent the schema, right?
>
> There doesn't have to be a schema at all, nor do the documents you put
> into a database necessarily have to conmform to a schema if there is
> one. (One big difference between SQL and XML).
>
> Do any of the XML databases out there actually require that users
> provide a schema and then automatically reject all documents that do not
> conform to that schema?
It's my understanding that XML support in a number of the big relational
databases requires an XML Schema, and cannot store documents that do not
conform to the schema.
John
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