実じっ体たい集しゅう合ごう

Meanings

1

noun

entity set

computing

Technical term in computing, especially in database modeling (e.g., ER diagrams). Refers to a collection of similar entities.

fit, suit, join

実じっ体たい
実体 means 'entity' or 'substance', while 実体集合 specifically refers to a set of entities in a database context.
エンティティセット
Katakana loanword for 'entity set', often used interchangeably in technical documents.

Compound of 実体 (entity) and 集合 (set), likely a calque from English 'entity set' used in database theory.