Use crows foot notation to represent relationships between entities in an entity relational diagram. Entities are connected by lines, and symbols at the beginning or end of the line describe cardinality.

Relationship types and cardinality:

- one-to-one relationship
- one-to-many relationship
- many-to-many relationship (M:N relationship)

## Symbols in crow’s foot notation

A crow’s foot graphics represents “many” or “infinite”.… Read the rest