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Entity Relationship Diagram Symbols

Entity Relationship Diagram Symbols

The semantic modeling method nowadays is successfully applied in database structure design. It is effective method of modeling the data structures, which is based on the meaning of these data. As a tool of semantic modeling, there are used different types of Entity-Relationship Diagrams. Entity Relationship Diagram (ERD) is applied to visually and clearly represent a structure of a business database. The main components of ERDs are: entity, relation and attributes. An entity is a class of similar objects in the model, each entity is depicted in the form of rectangle and has the name expressed by a noun. Relation is shown in the form of non-directional line that connects two entities. There are several notation styles used for ERDs: information engineering style, Chen style, Bachman style, Martin Style. The Entity Relationship Diagram symbols used for professional ERD drawing are predesigned by professionals and collected in the libraries of the Entity-Relationship Diagram (ERD) solution for ConceptDraw PRO software. Read more

Entity Relationship Diagram Software Engineering

Entity Relationship Diagram (aka ER Diagram, E-R Diagram, ERD) is a time-tested and widespread software development and software engineering method for data modeling, illustrating the logical structure of databases and system design. For ERDs construction are used three basic elements: entities, attributes, and relationships. Chen's notation for ERD supposes the use of rectangles (boxes) to represent entities and diamonds to depict relationships between first-class objects. This notation is popular when creating conceptual data models of information systems. Another standardized notation for ER diagrams is Crow's foot notation. ConceptDraw PRO as a powerful Entity Relationship Diagram software engineering provides the tools of Entity-Relationship Diagram (ERD) solution from Software Development area of ConceptDraw Solution Park for instantly describing databases using ERDs of Crow’s Foot and Chen’s notations. Use the predesigned vector elements for both these notations from 2 libraries included to Entity-Relationship Diagram (ERD) solution. Read more

How To Create Project Report

ConceptDraw PROJECT contains an extensive tool set to help project managers. The rich data visualization capability that is provided by ConceptDraw products helps you create project dashboards, one-click reports, multi-project views, Gantt charts, and resource views. Let′s learn how to get maximum value using ConceptDraw PROJECT! Read more

Process Flow Chart Symbols

Process Flow Chart is a visual diagram which shows the processes and relationships between the major components in a system, and uses for this the special process flow chart symbols: special shapes to represent different types of actions and process steps, lines and arrows to represent relationships and sequence of steps. It often named process flow diagram, it use colored flowchart symbols. It is incredibly convenient to use the ConceptDraw PRO software extended with Flowcharts Solution from the "Diagrams" Area of ConceptDraw Solution Park for designing professional looking Process Flow Charts. Read more

UML Flowchart Symbols

The UML diagram is a powerful tool which lets visually represent all system's components, the interactions between them and relationships with external user interface. The Rapid UML solution for ConceptDraw PRO software offers diversity of UML flowchart symbols for drawing all types of UML diagrams. Read more