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 ...
How to create a student mark sheet database in according to the object oriented database management system model?
Mark sheet is a real world object and there are so many details in the mark sheet. What kind of attributes and classes are related to the mark sheet object in the perspective of object oriented database management system model?
Student mark sheet database
There are basically divided into two categories of mark sheet database. One
is the database of student and second is the database of school system. The
mark sheet is a combination of both type of database. In this post here is the explanation of database of school system.
Database of School System
It is class of Student Mark sheet database in according to the object database. It is connected with strong line connection as shows in the image. It is provided by the school system to the student mark sheet database. There are some fields or attributes in the class of database of school system. It holds different types of data type in the different types of fields.
Here is the heirarchical reference of database of school system following below here:
Board Name
It is name of the board examination in the mark sheet database. It holds
character data type. It is common attribute in the mark sheet database.
{Board name = Character type data}
Types of student result detail
The ‘types of student result detail’ depends on the board examination
and their decision. Such as number based mark sheet database or grade based
mark sheet database.
{Types of Student result detail = Character type data}
Roll Number for student
It is unique attribute in the mark sheet for student verification which
is provided by the board examination control system. It holds numerical data
type.
{Roll number for student = Numerical type data}
Mark sheet number
It is a strong attribute of database in the mark sheet which is also
provided by the control examination of board. It holds numerical data type.
{Mark sheet Number = Numerical type data}
Signatures of all type
These signatures are depends on the image type data which is considered
by the human not a robot.
{Signature of Principal = Image type data}
{Stamp of Principal Signature = Image type data}
{Signature of control examination = Image type data}
The Date of submission
It is a numerical data type attribute in the mark sheet which is most
important to verify the submission date of mark sheet.
{Data of Submission = Numerical type data}
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