<Li> UML class diagrams </Li> <Li> Object - role modeling </Li> <P> Crow's foot notation, the beginning of which dates back to an article by Gordon Everest (1976), is used in Barker's notation, Structured Systems Analysis and Design Method (SSADM) and information engineering . Crow's foot diagrams represent entities as boxes, and relationships as lines between the boxes . Different shapes at the ends of these lines represent the cardinality of the relationship . </P> <P> Crow's foot notation was used in the consultancy practice CACI . Many of the consultants at CACI (including Richard Barker) subsequently moved to Oracle UK, where they developed the early versions of Oracle's CASE tools, introducing the notation to a wider audience . </P>

Entity relationship diagram using crow's foot notation
find me the text answering this question