entity relationship diagram using crow's foot notation
Entity–relationship model Crow's foot notation, the beginning of which dates back to an article by Gordon Everest (1976),[12] 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.
Bracket Forms include round (also called "parentheses"), square, curly (also called "braces"), and angle brackets (also called "chevrons"); and various other pairs of symbols.
Babylon Babylon (
.properties Each parameter is stored as a pair of strings, one storing the name of the parameter (called the key), and the other storing the value.