Students:is an entity.
DOB: it is an attribute for student entity.
SID: is a primary key for student.
Tel_NO: it is an attribute for student entity.
L_Name: it is an attribute for student entity.
F_Name: it is an attribute for student entity.
Input:is a relation between student and schedule
schedule:is an entity.
sch_NO:it is an attribute of schedule.
Date: it is an attribute of schedule.
Time:it is an attribute of schedule.
Day:it is an attribute of schedule.
Comment: it is an attribute of schedule.
Type_sch: it is an attribute of schedule.
Enter:it is a relation between staff and schedule.
Staff: is an entity.
Tel_NO:it is an attribute for staff entity.
L_Name: it is an attribute for staff entity.
F_Name: it is an attribute for staff entity.
EID: it is an attribute for staff entity.
DOB:it is a primary key for staff entity.
Supervise:it is a relationship between staff and project.
project:it is an entity.
Proj_NO:it is an attribute of project.
Proj_Name: it is an attribute of project.
Sup_Name: it is an attribute of project.
Has: it is a relation between Project presentation and Project.
Project presentation: it is a weak entity.
Prese_NO: it is a FK for staff entity.
End_Date: it is an attribute of Project presentation.
Start_Date:it is an attribute of Project presentation.
By: Nouf Al.sayary
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