ER-model is a data model which lets describe the conceptual schemes in a specific subject area. It can help to highlight the key entities and specify relationships that can be established between these entities. During the database design, it is realized the transformation of ER model into certain database scheme based on the chosen data model (relational, object, network, etc.). There are used two notations for ERDs: Crow's Foot and Chen's.
Crow's Foot notation proposed by Gordon Everest represents the entity by rectangle containing its name (name must be unique within this model), and relation - by the line which links two entities involved in relationship. The relationship's plurality is graphically indicated by a "plug" on the end of the link, the optionality - by a circle. Entity-Relationship Diagrams based on Crow's Foot notation can be easily drawn using the ConceptDraw DIAGRAM. Extended with Entity-Relationship Diagram (ERD) solution, it is the best ERD diagrams software with powerful tools and ready design elements for Crow's Foot and Chen notations.
Data Flow Diagram (DFD) is a methodology of graphical structural analysis and information systems design, which describes the sources external in respect to the system, recipients of data, logical functions, data flows and data stores that are accessed. DFDs allow to identify relationships between various system's components and are effectively used in business analysis and information systems analysis. They are useful for system’s high-level details modeling, to show how the input data are transformed to output results via the sequence of functional transformations. For description of DFD diagrams are uses two notations — Yourdon and Gane-Sarson, which differ in syntax.
Online Store DFD example illustrates the Data Flow Diagram for online store, the interactions between Customers, Visitors, Sellers, depicts User databases and the flows of Website Information. ConceptDraw DIAGRAM enhanced with Data Flow Diagrams solution lets you to draw clear and simple example of DFD for Online Store using special libraries of predesigned DFD symbols.
This sample was created in ConceptDraw DIAGRAM diagramming and vector drawing software using the UML Class Diagram library of the Rapid UML Solution from the Software Development area of ConceptDraw Solution Park.
This sample shows the structure of the building and can be used by building companies, real estate agencies, at the buying / selling of the realty.
How to create Floor Plan Design easy and effectively? You can invite an interior designer and trust this work to him, which is usually expensive and result may not always meet your expectations. Another way is to design it yourself, but at this case you need to have special skills, knowledges and abilities, among them basic knowledge of the composition rules, color theory, materials science and software for interior design development. The ability to use specialized software for drawing is especially valuable, useful and saves your time.
ConceptDraw DIAGRAM is one of the best among similar software, it offers extensive functionality, powerful tools, a lot of features, and is simple for using, so can be applied by everyone without efforts. Enhanced with Floor Plans and other solutions from the Building Plans area, the ConceptDraw DIAGRAM software helps easily create unique and harmonious interior designs, and draw in desired scale professional-looking Floor Plans and Layouts for homes, apartments, hotels, offices, and other buildings.
ConceptDraw DIAGRAM is a full Visio compatibility and better alternative for students, teachers and business professionals to reliably create kinds of flowcharts, organizational charts, network diagrams, floor plans, electrical diagrams, software design diagrams, maps and more.
You need design the Functional Block Diagram and dream to find the useful tools to draw it easier, quickly and effectively? ConceptDraw DIAGRAM offers the Block Diagrams Solution from the "Diagrams" Area which will help you!
Professional diagramming software for mac helps you create Cause and Effect diagram known as Fishbone diagram or Ishikawa diagram from ConceptDraw Business Solution.
You will be offered to use templates, samples or draw your diagram using ConceptDraw Arrows10 Technology
This sample was created in ConceptDraw DIAGRAM diagramming and vector drawing software using the Bar Graphs Solution from Graphs and Charts area of ConceptDraw Solution Park. It is Bar Graphs example, Sales Growth example, Column Chart Example - Sales Report.
The business diagrams are in great demand, they describe the business processes, business tasks and activities which are executed to achieve specific organizational and business goals, increase productivity, reduce costs and errors. They let research and better understand the business processes.
ConceptDraw DIAGRAM is a powerful professional cross-platform business graphics and business flowcharting tool which contains hundreds of built-in collections of task-specific vector stencils and templates. They will help you to visualize and structure information, create various Business flowcharts, maps and diagrams with minimal efforts, and add them to your documents and presentations to make them successful. Among them are Data flow diagrams, Organization charts, Business process workflow diagrams, Audit flowcharts, Cause and Effect diagrams, IDEF business process diagrams, Cross-functional flowcharts, PERT charts, Timeline diagrams, Calendars, Marketing diagrams, Pyramids, Target diagrams, Venn diagrams, Comparison charts, Analysis charts, Dashboards, and many more.
Being a cross-platform application, ConceptDraw DIAGRAM is very secure, handy, free of bloatware and one of the best alternatives to Visio for Mac users.
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