antijoin

English

Etymology

anti- +‎ join

Noun

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

• join

See also

• semijoin

References

• antijoin on Wikipedia.Wikipedia