noun
set-valued attribute
Technical computing term for an attribute whose value is a set of elements rather than a single value.
このデータベースでは、集合値属性を扱うために特別なテーブル設計が必要です。
In this database, a special table design is needed to handle set-valued attributes.
Compound of 集合 (set, collection), 値 (value), and 属性 (attribute). A technical term formed from standard kanji components.