Analysis of Data room Charging System (DBMS) Requirements

 After completing the student management system, I summarized many blind points and errors found in my learning process and learned a lot of new knowledge, however, what impressed me most was that we had to have a preliminary plan before doing any project, and we had some ideological things as a guide, mr. Mi often said that he should take control of the whole situation at a macro level and constantly cultivate his ability to grasp the whole situation. I believe that with these figures, I have more or less a direction in my mind, so that I can be aware of them and will not be confused, will take advantage of the wind and waves, step by step, and work hard!

The following figure shows a general understanding of the data center charging system:

 

 

The overall structure of the billing system:

 

 

 

 

 

Information related to students:

 

 

 

 

 

Administrator and operator work analysis:

 

Operator and administrator information:

 

 

 

 

Global relationship diagram: