Anatomy of a Mudular Multiple Query Optimizer

  title={Anatomy of a Mudular Multiple Query Optimizer},
  author={Arnon Rosenthal and Upen S. Chakravarthy},
We critically evaluate the current state of research in multiple query opGrnization, synthesize the requirements for a modular opCrnizer, and propose an architecture. Our objective is to facilitate future research by providing modular subproblems and a good general-purpose data structure. In rhe context of this archiuzcture. we provide an improved subsumption algorithm. and discuss migration paths from single-query to multiple-query oplimizers. The architecture has three key ingredients. First… CONTINUE READING
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