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We define the magic-sets transformation for traditional relational systems 1990, as well as for relational systems extended with recursion. We compare the magic-sets rewriting to traditional optimization techniques for nonrecursive queries, and use performance experiments to argue that the magic-sets transformation is often a better optimization technique. © 1990, ACM. All rights reserved.
Christof Bornhövd, Mehmet Altinel, et al.
SIGMOD 2003
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SIGMOD 1992
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ACM TODS
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