antijoin

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English[edit]

Etymology[edit]

anti- +‎ join

Noun[edit]

antijoin (plural antijoins)

  1. (algebra, databases) A type of join, denoted by ▷, such that R▷S yields only those tuples in R for which S has no corresponding tuple of the same value.

Hypernyms[edit]

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References[edit]

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