Notations

Supported Notations:

• Default
• Bachman
• Chen
• Crow's Foot
• Min-Max
• Notations

The notation can be changed through the notation keyword in the header. Each notation allows specifying different cardinalities for entities in the relationship. We use the following example to showcase the various notations:

erdiagram Example
notation=default // Change notation here

entity Entity1 {
    id key
}
entity Entity2 {
    id key
}

relationship Rel {
    Entity1 -> Entity2 // Specify cardinalities here
}

Default

Bachman

Chen

Crow's Foot

Min-Max

UML