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entity-relationship model

entity-relationship model

An entity–relationship model (ER model) describes inter-related things of interest in a specific domain of knowledge. An ER model is composed of entity types (which classify the things of interest) and specifies relationships that can exist between instan

相關軟體 Dia Diagram Editor 下載

Dia Diagram Editor is an open-source visual-editing application, which can be used to draw numerous different kinds of diagrams. It currently has special objects to help draw entity relationship diagr...

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entity-relationship model 相關資訊

  • Chapter 2: Entity-Relationship Model Entity Sets Relationship Sets Design Issues Mapping C...
    Chapter 2: Entity-Relationship Model - Shiuh-Sheng Yu's ...
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  • An entity relationship model, also called an entity-relationship (ER) diagram, is a graphi...
    entity-relationship diagram (model)
    https://www.webopedia.com
  • Introduction We have covered the concepts of relational databases in "Introduction to...
    Entity-Relationship Model - Computational Science
    https://www.wofford-ecs.org
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    http://www.lis.ntu.edu.tw
  • In software engineering, an Entity-relationship model is a conceptual model of data. Very ...
    Entity-relationship model - Simple English Wikipedia, the ...
    https://simple.wikipedia.org
  • Purpose of E/R Model The E/R model allows us to sketch database schema designs. Includes s...
    Entity-Relationship Model - Stanford University
    http://infolab.stanford.edu
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    Entity–relationship model - Wikipedia
    https://en.wikipedia.org
  • Entity-relationship modelling In this chapter I introduce the concepts of entity-relations...
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  • An entity-relationship model (ERM) is a theoretical and conceptual way of showing data rel...
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  • The entity-relationship model (or ER model) is a way of graphically representing the logic...
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    http://searchsqlserver.techtar