antijoin

发音

US

词形变化

antijoins 复数 antijoins

释义与例句

n.
  1. 1.

    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.

    数学 计算机 工程

词源

From anti- + join.

来源：wiktionary