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キー候補 (キーこうほ) Japanese meaning | Kotomora

キー候こう補ほ

Meanings

1

noun

candidate key

computing

Database term: a minimal set of attributes that can uniquely identify a tuple in a relation.

リレーショナルデータベースでは、各かくテーブルに少すくなくとも一ひとつのキー候こう補ほが存そん在ざいする。
In a relational database, each table has at least one candidate key.

Kanji

候climate, season, weather
補supplement, supply, make good

Similar words

主しゅキー
主キー (primary key) is the chosen candidate key used to uniquely identify rows; キー候補 is any candidate key, not necessarily the primary one.
外がい部ぶキー
外部キー (foreign key) references a primary key in another table, while キー候補 is a potential primary key within its own table.

Etymology

Compound of キー (key) and 候補 (candidate), a direct calque of the English database term 'candidate key'.