HELP! * GREY=local LOCAL HTML version of Foils prepared July 6,1995

Foil 32 Pitfalls in data partitioning

From General Discussion of Parallel Relational Databases CPS600 Spring Semester -- April 1995. by Gang Cheng Marek Podgorny (Geoffrey Fox) * See also color IMAGE

operations/application dependent
danger of data skew arises on shared-nothing with data partitioning
data skew is the focus of a number of research projects
automatic OS file striping vs manual (application-specific) table striping



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