Entity Relationship Diagram - ERD - Software for Design Crows Foot ER Diagrams

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.

In searching of alternative to MS Visio for MAC and PC with ConceptDraw DIAGRAM

Undoubtedly MS Visio is a powerful and multifunctional tool, but however at times occur the instances, when it turns unable of meeting certain users' requirements. At this cases you may need to use an alternative program software, preferably it will be simple, convenient, and at the same time powerful and professional. In searching the alternative to MS Visio for MAC and PC we recommend you to pay attention for ConceptDraw DIAGRAM software, which was developed to satisfy all your drawing needs and requirements. It is a fully-functioned alternative product to MS Visio for both platforms. ConceptDraw DIAGRAM software has many advantages, the main among them are the cross-platform compatibility, a reasonable price, widespread ConceptDraw Solution Park with huge variety of different solutions that offer numerous libraries of specialized vector objects, useful examples, samples, and quick-start templates, extensive import / export capabilities, built-in script language, MS Visio support and certainly free technical support.