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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 ...

Which Database Management System is based on the Relational Model?

Which Database Management System is based on the Relational Model?

Data can be managed through the system made by the user to define some program to implement on the database file to process the data on the relational database model.

The relational database processing system process the data in the logical level of processing such as to define the database file, update data in the record of relational database file and controlling language to verify the data when it is controlled by the command on the database file for verification process to complete using the DCL from the relational database model where the DCL stands for Data Control Language on the database server application.

The relational database model is a tabular database model based to provide the record and attribute which means the tuple is a row or record and the attribute is field or properties on the relational database model.


Introduction to the related topic of computer and database technology following below here:


Which Database Management System is based on the Relational Model?


Let's discuss this topic is related to the computer and database technology following below here:


Which Database Management System is based on the Relational Model?

There are some points on the computer system and the database modeling related to the topic of "Which Database Management System is based on the Relational Model?" following below here:


Which Database Management System is based on the Relational Model?

  • Table sheet is based on the relational database model
  • Matrix based database model is a based on the relational database model
  • Relational database is a query based technology that process the data
  • Security model is based on the DCL from the relational database model


Let's discuss the points above about the computer system and database modeling related to the topic of "Which Database Management System is based on the Relational Model?" explanation following below here:


Table sheet is based on the relational database model

Table sheet is based on the relational database model that means the table format is developed through the rows and columns where they intersect to each other then the cell is generated on the table which is used to store the data in the sentence or one word data.

The table is a two dimensional format of rows and columns that makes a relational database model.

The table format included different types of records that define the user database, object details, subject details etc.

The rows are described through the columns mentioned in the data into the columns according to the rows which makes it easy to understand the details about the rows connected to the column and cells.


Matrix based database model is a based on the relational database model

Matrix based database model is a based on the relational database model that matrix is also a two dimensional structure and provide the output in the combination of column and row which is known as the row is a record or tuple and the column is an attribute or field or property etc. of the matrix based structure and relational database model is same as the matrix based structure.

The rows can be infinite of the number in quantity that can be extended more and more with the infinite attribute of matrix based structure or relational database model.

The relational database model is the same as the 2 dimensional format of matrix based structure.


Relational database is a query based technology that process the data

Relational database is a query based technology that processes the data that means the query is a command type of language used to perform an operation on the relational database model.

Relational database model is used to provide the output data using the query operation on the database file for processing the data on the database server application software and application software for backend processing system to process the data in the application software output interface of the application software design model.

Relational database models process only the text data and query performed on the record data and its attributes to manipulate, define data and control the data on relational database models through the query processor.

The query program of the relational database model such as sql is used to manipulate the data to change the value in the record and attribute to manipulate the data after applying the command keyword on the record according to the key attribute because the key attribute is used identify the record is unique through the key attributes value stored in the column on the relational database model on the application software to process the data for the end user when the user gives some instruction to store the data and manipulate the data on the application software through the given tool and developed tool on the application that has a operational functionality of database manipulation on the database file in the relational database model file.


Security model is based on the DCL from the relational database model

Security model is based on the DCL from the relational database model that means the security database model is used to provide the verification system on the application software or operating system or web application or website depending on the uses of query language and command on the relational database model for security model.

In the security model interface the data control language is used to provide the verification process on the security interface from the record that triggered by the primary key and process the attribute of data such as username and password on the application software or website or operating system or web application are the basic verification process on the security model uses the relational database model.

The relational database uses the DCL is a data control language to provide the assessing authority of the account on the application software after the verification system on the security model and provide the verification of the user when the user give the detail on the security layer to verify the user data is correct or not and if the given details are correct then the user allow to access the account on the application software such as:- username and password are both in the form of text data to verify the data using the data control language on the application software for the end user on the computer system.

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