Object - Association relationship (link)


Logical Data Modeling - Association

An Association is just the link on a class diagram that represents visually a relationship.



Bank: Given a Bank, a particular accountNo identifies zero or one Person where:

  • the qualifier is the Property accountNo,
  • the qualified object is the Bank.


  • where every possible value for Rank and File indicates an individual Square because the multiplicity is 1:1 (Therefore an individual Square on the Chessboard may be identified by rank and file)
  • with a composite relationship (black diamond)

Documentation / Reference

Powered by ComboStrap