ERD Notation
Relationship Cardinality Notation
A relationship’s cardinality shows how many instances of one entity type relate to how many
instances of the entity type at the other end of the relationship. To show a relationship
cardinality of “Many,” a line terminator must be used. Visible Analyst gives you a choice of
four:
· Crowsfoot Notation - a three-way fork.
· Arrow Notation - a double arrowhead.
· Bachman Notation - a single arrowhead.
· IDEF1X
IDEF1X Notation
Click this check box to select IDEF