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Type Casting and Cardinality Correctness in XPath in DB2 9 for z/OS

(GGZ) XML is all about its flexibility, and performance, of course, in dealing with the flexibility. XML documents that are stored in a DB2 XML column are untyped. You can specify the types in XPath expressions explicitly (using cast, such as xs:double() ) or implicitly (through operators). In many

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