Consider the following E-R diagram-
Which of the following possible relations will hold, if the above E-R diagram is mapped into a relation model?
1
EMPLOYEE (Emp_no, F_Name, M_Name, L_Name, Emp_Sal)
2
Works_in (Emp_no, Emp_Name, Since)
3
Works_in (Emp_no, Dep_no, Since)
4
DEPARTENT (Dep_no, Dep_Name)