エンティティ関係図
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エンティティ・リレーションシップ・ダイアグラムの専門的なテンプレートを使って、設計を始めましょう。
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Entity Relationship Diagram, also known as ERD, ER Diagram or ER model, is a type of structural diagram for use in database design. An ERD contains different symbols and connectors that visualize two important information: The major entities within the system scope, and the inter-relationships among these entities.
Create ER diagrams online. Visual Paradigm Online features an online ERD creator and a large variety of technical and business diagram templates. It also supports remote working, online meeting and online workshop with a rich collection of real-time collaboration facilities.
自由なER図の作成