Answer:
See explaination
Explanation:
Please kindly go to attachment for Crow Foot Notation image representation.
From the attachment Crow Foot Notation, the relationship between Super class and Sub class is shown clearly, that is;
Employee is super class, also the different types of employees are represented by specialization of three types, there are Salary, Hourly and Contract based. Again the Salary based employee is super class of Sales Employee, representing partially participation.
From the attachment notation, "d" represents distinct that is, distinct employees of type Salary, Hourly and contract.
And "O" represents, Overlapped, means same object is aggregating two specific outcomes which are overlapped.
They are Salary based and Sale wages based employee.
