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cs.DB2021
Worst-case Optimal Binary Join Algorithms under General Constraints
Sai Vikneshwar Mani Jayaraman, Corey Ropell, Atri Rudra
Worst-case optimal join algorithms have so far been studied in two broad contexts -- when we are given input relation sizes [Atserias et al., FOCS 2008, Ngo et al., PODS 2012…
cs.DB2020
Covering the Relational Join
Shi Li, Sai Vikneshwar Mani Jayaraman, Atri Rudra
In this paper, we initiate a theoretical study of what we call the join covering problem. We are given a natural join query instance on attributes and relations $(R_i)_…