ErMultiplicityTypes
9 Jul 20261 minute to read
Defines the Crow’s Foot cardinality notation rendered at either end of an ER
relationship connector.
Supported values:
-
'One': Single mandatory occurrence. -
'OneAndOnlyOne': Exactly one occurrence. -
'Many': Many occurrences. -
'ZeroOrOne': Optional single occurrence. -
'OneOrMany': One or more occurrences. -
'ZeroOrMany': Zero or more occurrences. - One
- OneAndOnlyOne
- Many
- ZeroOrOne
- OneOrMany
- ZeroOrMany