evaluating predicate on XML documents.

jean-marie sulmont jsulmont at us.oracle.com
Tue Sep 21 20:36:10 BST 1999


Could anyone please tell me what would be the best way to evaluate
predicates based on the content of XML documents?
Xpath allow to point at part of a document, and this yields to problems:

1) the sub-document pointed at may be a tree itself, or
2) assuming it's a leaf, I see no way to express a predicate (i.e.
'xpath expression' greater than 3)
If XQL (as XML query language) were out, it could be used like in:
    select true from ... where PREDICATE;

Thank-you in advance,

jean-marie sulmont                      1000 SW Broadway  suite 1200
developer                               Portland Oregon, 97205
Oracle Corporation                      Phone: (503) 525-8057
jsulmont at us.oracle.com                  Fax:   (503) 525-8000

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