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Li-Fi vs Wi-Fi: A Battle of Light and Waves

Li-Fi vs Wi-Fi: A Battle of Light and Waves Li-fi is a light fidelity device that supports only the infrared and other lighting systems to transfer the data to the device which is used to receive from the sender device. Wifi is a wireless fidelity device that supports the radio waves to transfer the data to the wifi device which is used to receive the wifi signals at the limited ranges due to the device version capacity. Introduction to the computer system and computer applications related topics are listed following below here: Li-Fi vs Wi-Fi: A Battle of Light and Waves Let’s discuss the computer system related topic and questions above listed and their answers are following below here: Li-Fi vs Wi-Fi: A Battle of Light and Waves There are some points on the computer system and data communication related to the topic of “Li-Fi vs Wi-Fi: A Battle of Light and Waves” following below here: Lifi based data communication system:- Li-Fi is a light based signal data transmission ...

Try to create the manage staff section of the school department and their different classes with objects using the Object oriented Database Management system model.

How to create the manage staff section of the school department and connections of different classes and object using Object oriented Database Management System model?

The Manage Staff class and their objects

Try to create the manage staff section of the school department and their different classes with objects using the Object oriented Database Management system model.

  • The Manage staff is a class as a part of the school management system in the school.
  • In the Manage Staff class there are three objects vice principal, account staff employees and Teachers staff which is exists in the real life objects.
  • The strong connected line is a sub class of the mange staff class shows inheritance of the classes.

The Vice Principal staff class

  • It is the real world object in the class of vice principal staff.
  • The vice principal is the real world object and their name is property of the object.
  • Their gender is another property.
  • Their identity number is unique attribute or property of the object that identifies the object is not copied in the model.
  • It is manage the school discipline which is the property of the vice principal.
  • It can take meeting of the teachers for their good performance of the school.
  • School performance is connected to the meeting indirectly depends on the teachers.

The Account Section Staff

  • In the account section staffs their employees are real world objects and their rolls are properties of the objects.
  • The account section staff manages their school fees received by the student for school.
  • Preparing payrolls is property of the class of account section staff.
  • Salary management is connected the property of the preparing payroll which is manages the salary of the all employees are worked for whole the school and their staffs.

The Teachers staff class

  • It is a class and objects are teachers which is real world objects.
  • The properties of the teachers are preparing the student records.
  • Teacher manages their time table for teaching the student in their class of the student.
  • They manage exam preparation for the students to take an exam.
  • They also have the Relational database of the attendance of the student regularly.

Can you explain what an Object-Oriented Database Management System (OODBMS) is?


In this image shows the components of objects oriented database management system such as: object, class, inheritance, encapsulation, polymorphism, object Is etc.


Yes, the object oriented database management system processes the object data and its attributes that process the data through query language that supports object oriented concepts such as:- object, class, inheritance, polymorphism, encapsulation and Object Id or Identity.

These components are the main parts of the OOPs concepts that process the object database model.

The oodbms stores data in the form of objects and its attributes, data and methods that are applied on the object and classes of objects in object oriented database management systems.

The programming language applied on the object and its methods to perform according to object query language and object definition language to functionality on the object oriented database management system.


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