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实体联系图

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英文字典中文字典相关资料:


  • ERDPlus
    Free ERD modeling tool for creating Entity-Relationship Diagrams and relational star schemas, aiding in visualizing and designing databases
  • Entity Relationship Diagram (ERD) - What is an ER Diagram?
    What is an Entity Relationship Diagram (ERD)? Learn about entity relationship diagram symbols Read the ER diagram tutorial See ERD diagram examples
  • ER Diagram (ERD) - Definition Overview | Lucidchart
    What is an Entity Relationship Diagram (ERD)? See ultimate guide to ER diagrams including a video overview, origins, uses, examples, components, limitations, and guidelines on how to draw them for free in Lucidchart
  • A Guide to the Entity Relationship Diagram (ERD) | Database . . .
    What is an Entity Relationship Diagram (ERD)? An Entity Relationship Diagram (ERD) is a type of diagram that lets you see how different entities (e g people, customers, or other objects) relate to each other in an application or a database
  • What is Entity Relationship Diagram (ERD)? - Visual Paradigm
    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
  • How to Draw Entity Relationship Diagrams (ERDs)
    An Entity Relationship Diagram (ERD) is a graphical representation that shows how entities, such as people, objects, or concepts, relate to each other within a system ERDs are commonly used in database design to visualize the relationships between entities and their attributes
  • Entity–relationship model - Wikipedia
    In software engineering, an ER model is commonly formed to represent things a business needs to remember in order to perform business processes Consequently, the ER model becomes an abstract data model, [1] that defines a data or information structure that can be implemented in a database, typically a relational database





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