antijoin
Noun
Meaning
antijoin (plural antijoins)
(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.
Noun
antijoin (plural antijoins)
(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.