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Thomas Mercer-Hursh
Guest
Not the direction you are thinking, but you might want to look at pugchallenge.org/downloads2011.html and find Alon Blich's presentation on the Query Optimizer I think the problem is a lot bigger than the difference between compile time optimization and run time optimization based on statistics. It is quite possible to write really awful queries in either one. So, I think the problem is either providing the user with a guided builder which will result in a useful query or checking the user's request to optimize (or reject) it.
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