Folks I have a quick question.
what are the tools which currently do this XQuery/XPath -> SQL
translation?
for each tool, I am looking for a quite broad picture, and these are 2
questions which I am particularly interested in..
(a) What is the input for this tool? - Is it the query/path expression and
the annotated XML Schema?
(b) Also what XQuery/XPath operators are supported by this tool? For
example, do they support descendant, if so, how do they do the
translation?? Also even for simple parent-child traveral in XPath, how
does the translator figure out what attribute/(s) to perform the join on??
(c) Of course, the next question is: do any of these tools try to do
minimization of the resulting SQL query, in other words, try to minimize
the number of unnecessary joins or other wasteful operations..
thanks and regards - murali.
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