Web Data Management
XPath includes over ?

200 built-in functions
100 built-in functions
more than 200 built-in functions
more than 100 built-in functions

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Web Data Management
Valid XML document means (most appropriate) ?

the document has root element
Each element must nest inside any enclosing element property
the document contains atleast one or more root element
the XML document has DTD associated with it & it complies with that DTD

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