So, we know the function of the different elements in a data model. Let’s now talk about some of the specific modeling languages that you often see in an ER diagram. Crow's Foot This is the mostwidely usednotation among data architects. It uses rectangles to represent entities, lines to...
Consult the chart below to see which diagram elements are included in each data model.Conceptual data modelThis ER model establishes a broad view of what should be included in the model set. Conceptual data models:Include important entities and the relationship between them. Do not specify ...