Last Updated:2025/11/29
Sentence

正規化の過程では、主キーに対して別の非キー属性を介して依存している属性(推移的関数従属)が更新異常を引き起こすことがある。

Quizzes for review

During normalization, a transitive dependency can cause update anomalies when a non-key attribute depends on another non-key attribute that in turn depends on the primary key.

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During normalization, a transitive dependency can cause update anomalies when a non-key attribute depends on another non-key attribute that in turn depends on the primary key.

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Related words

transitive dependency

Noun
Japanese Meaning
(データベース)リレーションにおいて、主キーに依存するだけでなく、主キーでない第三の属性にも依存する属性。すなわち、キー間の推移的な依存関係が存在し、結果として第三正規形の条件を満たさなくなる状態を指す。
What is this buttons?

正規化の過程では、主キーに対して別の非キー属性を介して依存している属性(推移的関数従属)が更新異常を引き起こすことがある。

Related Words

plural

English - English

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