A technique for analyzing the structure of data used in business operations, identifying entities and the relationships between them. E-R diagrams (entity-relationship diagrams) are typically used to visually represent the logical data structure. Data modeling is foundational to database design and is performed during the transition from requirements analysis to system design.

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• 2009h21a #14業務で利用するデータの構造を分析し，抽出したエンティティとエンティティ間の関係をE-R図などで整理する手法はどれか。