PDF-Worst-caseOptimalJoinAlgorithmsHungQ.NgoUniversityatBuffalo,SUNYhungng
Afullconjunctivequeryisaconjunctivequerywhereeveryvariableinthebodyappearsinthehead
whereisthecardinalityofthelargestinputrelationanddenotesthesizeofthequeryAGMestablishedthattheirjoinprojectplan
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