Last Updated：2025/11/25
Sentence
スキーマのレビューで、DBAは正規化に影響しない自明な関数従属性（属性が自分自身を含む集合に依存する関係）を指摘しました。
Quizzes for review
During the schema review, the DBA identified a trivial functional dependency and marked it as irrelevant to normalization.
See correct answer
During the schema review, the DBA identified a trivial functional dependency and marked it as irrelevant to normalization.
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Related words
trivial functional dependency
Noun
Japanese Meaning
属性が自らを含む属性集合に対して従属している関係、すなわちその依存関係が自明（trivial）であるということを示す。 / リレーショナルデータベースの文脈では、右辺の属性が左辺（決定子）の部分集合である場合に成立する、無意味または当然とされる関数従属のこと。
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