enow.com Web Search

  1. Ads

    related to: entity relation diagram tool
  2. nchsoftware.com has been visited by 100K+ users in the past month

Search results

  1. Results from the WOW.Com Content Network
  2. Entity–relationship model - Wikipedia

    en.wikipedia.org/wiki/Entityrelationship_model

    Diagrams created to represent attributes as well as entities and relationships may be called entity-attribute-relationship diagrams, rather than entityrelationship models. An ER model is typically implemented as a database. In a simple relational database implementation, each row of a table represents one instance of an entity type, and each ...

  3. Barker's notation - Wikipedia

    en.wikipedia.org/wiki/Barker's_notation

    Barker's notation refers to the ERD notation developed by Richard Barker, Ian Palmer, Harry Ellis et al. whilst working at the British consulting firm CACI around 1981. The notation was adopted by Barker when he joined Oracle and is effectively defined in his book Entity Relationship Modelling as part of the CASE Method series of books.

  4. Enterprise data modelling - Wikipedia

    en.wikipedia.org/wiki/Enterprise_data_modelling

    Enterprise data modelling or enterprise data modeling (EDM) is the practice of creating a graphical model of the data used by an enterprise or company. Typical outputs of this activity include an enterprise data model consisting of entityrelationship diagrams (ERDs), XML schemas (XSD), and an enterprise wide data dictionary.

  5. Comparison of data modeling tools - Wikipedia

    en.wikipedia.org/wiki/Comparison_of_data...

    ORM, Relational(Crow’s foot option), Barker Yes Yes Update database and/or update model No Open ModelSphere: Conceptual, Logical, physical IDEF1X, IE (Crow’s foot), and more Yes Yes Update database and/or update model No Oracle SQL Developer Data Modeler Logical, physical Barker, IE (Crow’s foot), and Bachman Yes Yes

  6. ERIL - Wikipedia

    en.wikipedia.org/wiki/ERIL

    ERIL (Entity-Relationship and Inheritance Language) is a visual language for representing the data structure of a computer system. As its name suggests, ERIL is based on entity-relationship diagrams and class diagrams. ERIL combines the relational and object-oriented approaches to data modeling.

  7. Dia (software) - Wikipedia

    en.wikipedia.org/wiki/Dia_(software)

    Dia has special objects to help draw entity-relationship models, Unified Modeling Language (UML) diagrams, flowcharts, network diagrams, and simple electrical circuits. It is also possible to add support for new shapes by writing simple XML files, using a subset of Scalable Vector Graphics (SVG) to draw the shape.

  8. IDEF1X - Wikipedia

    en.wikipedia.org/wiki/IDEF1X

    The objective of the relationship definition phase is to identify and define the basic relationships between entities. At this stage of modeling, some relationships may be non-specific and will require additional refinement in subsequent phases. The primary outputs from phase two are: Relationship matrix; Relationship definitions; Entity-level ...

  9. yEd - Wikipedia

    en.wikipedia.org/wiki/YEd

    yEd can be used to draw many different types of diagrams, [4] including flowcharts, network diagrams, UMLs, BPMN, mind maps, organization charts, and entity-relationship diagrams. yEd also allows the use of custom vector and raster graphics as diagram elements. yEd loads and saves diagrams from/to GraphML, an XML-based format. It can also print ...

  1. Ads

    related to: entity relation diagram tool