Last Updated
：2025/11/21
partial dependency
Noun
Japanese Meaning
リレーショナルデータベースにおいて、属性が完全な主キーではなくその一部に依存している状態。つまり、キー全体ではなくキーの部分に基づいて属性が決定されるため、第二正規形の条件を満たしていないことを意味する。
（ plural ）
Quizzes for review
(computing) An attribute of a relation that depends on a key but also on a part of such key; this is a violation of second normal form.
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partial dependency
When normalizing the schema, you must check for a partial dependency that could prevent achieving second normal form.
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When normalizing the schema, you must check for a partial dependency that could prevent achieving second normal form.
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