Example of DFD for Online Store (Data Flow Diagram)

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.

Components of ER Diagram

Entity-Relationship model gives the possibility to visually describe a database using the components of ER Diagram, entity relationship stencils, relationship symbols, work flow shapes. ER-diagram lets represent the data or entities, attributes of these entities and relationships between them, using standardized Crow’s Foot notation icons or Chen’s notation icons. An entity is an object of the real world, it can exist independently and has the instances which differ in attribute values (properties). The attributes give an unambiguous (uniquely) identification for the instance and are called the primary key, this key can be composite and combine several attributes. ConceptDraw DIAGRAM is a professional software available with Entity-Relationship Diagram (ERD) solution from Software Development area that lets create ERDs for various database systems, using Crow’s Foot and Chen’s notations. It is invaluable tool for software engineers and developers, it supports ODBC-compatible databases (Oracle, MySQL, MS Access, MS SQL, InterBase, Firebird and others).

Store Layout Software

Creation of Store layout, Shop floor plan, Plans for warehouse and industrial premises, is one of the most important stages in development and design of the store, supermarket or shopping center. Layouts and plans help us clearly imagine our project after implementation, to consider all details, and improve it if necessary. The optimal store layout and design, proper zoning, well thought-out placement of the trade equipment, significantly increase the profit of the shop. ConceptDraw DIAGRAM is ideal store layout software that allows easy and professionally create varied Store layouts, Shop designs, Planograms, Designs for сommercial spaces, Cafe floor plans, Restaurant layouts, Office floor plans, House floor plans, and many others layouts thanks to the powerful tools offered by Floor Plans solution included to Building Plans area of ConceptDraw Solution Park. It includes many examples, quick-start templates and predesigned vector stencils libraries. With all this tools you don't need more to be professional artist to create great-looking Store layouts.