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準結合 (じゅんけつごう) Japanese meaning | Kotomora

準じゅん結けつ合ごう

Meanings

1

noun

semijoin

computing

Technical term in relational algebra; used in database theory and query optimization.

準じゅん結けつ合ごうは、関かん係けい代だい数すうにおける基き本ほん的てきな演えん算ざんの一ひとつです。
Semijoin is one of the fundamental operations in relational algebra.

Kanji

準semi-, correspond to, proportionate to
結tie, bind, contract
合fit, suit, join

Similar words

結けつ合ごう
結合 (join) is a broader operation that combines tuples from two relations based on a condition, while 準結合 (semijoin) returns only the tuples from one relation that match tuples in the other.

Etymology

Compound of 準 (semi-) and 結合 (join), a calque of English 'semijoin'.