Try to implement the school structure in the object oriented database model with some simple object and class such as Principal, Manage staff and Student.

How to implement the school structure in the object oriented database model?

The Principal object and their class

• The Principal is the object but the name ‘Principal’ is a class.
• It is real world object.
• It inherits the class of student.
• The property of the Principal is to gives the student admission permission.
• The authority of the principal is check performance of teachers where the teachers how to teach the student.
• The principal suggest the meeting for their school management to work in a proper way and gives the best performance in results in every year.
• The connected smooth line to class of the manage staff shows the sub class link of the principal class.

Manage staff class

• In this class there are three objects as Vice principal, Account section and Teachers.
• These three objects are controlled by the Principal class.
• If the Principal is absent in a day then manage staff can handle the school management.

Student class and their objects

• The class of the student is ‘student’.
• The object of the student is name of the student which is present in the real world.
• The unique property of the student is admission number in the school.
• The temporary attribute of the student is roll number in the school because it can be change in the future of the student roll number after the next class.
• The subjects of the student are the other property in the class of the student.
• The take admission permission of the student is strong attribute domain link which is connected to the principal class property of admission permission.
• The connected line of the student and principal class is dotted which shows the attribute domain link according to the object oriented database management model language.

Can object database models be more complex than relational database models?

Yes, it is true that the object database model is more complex than the relational database model to provide the complexity and accuracy for the object based application software development.
The object oriented database model provide the complex model and best model once it is created and developed for the applications to provide the complex database model for better performance also but it is difficult to develop and create or apply for application backend processing for object based files to provide the output data is complex to design the model for application according to the user requirements of the application on the object database processing.

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