Class Diagram Table

System Administrator is used to update user information.  One of it's function is to add or delete participants.
When a process of add and drop involves, the database shall be updated. 
 
System Administrator Attributes 

 
System Administrator Operations
   
System Maintenance carry-out an ongoing process as long as the system is being used.  It will help in adapting whatever changes that has been made and later update all the changes in the database.

System Maintenance Attributes 

  

System Maintenance Operations 

 
Course visibility all are public except on id, it is private. Course are offered to students and related to lecturers as well.
 
Course Attribute

 
 
Course Operation 

 

Lecturer liaises with few other classes such as Registration, Learn and Discuss and Course.
 
 Lecturer Attribute 

 
Lecturer Operation

 

Registration Attribute

 
 
Registration Operation

 

Learn And Discuss Attribute  

 
Learn And Discuss Operation

 

Lecturer Activity Attribute  

 
Lecturer Activity Operation

 

Learner Activity Attribute  

 
Learner Activity Operation 

 
Learner Attribute 

 

Learner Operation