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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 ...
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What is a Database Management System and its advantages?

What is a Database Management System and its advantages?

DBMS is a software that provides the system and database file for connecting the server and application software backend processing to process the data on the application software without using the integrated programs and uses to process the data which has been inputted on the program and database file is used to give a command to store the data in the record and their attributes according to the attributes on the columns in the relational database model file.

DBMS is used to provide the database file to the software systems and provide the solution without processing the input value from the integrated programs on the software systems.

The database management provide the editing of data using the manipulation command apply on the records depends on the targeted record on the database file in the relational database model.

The database file is used to provide the processed data to the user on the output interface of the software systems or application software.


Introduction to the computer system related topic and the topic is following below here:


What is a Database Management System and its advantages?


Let's discuss the computer system related topic is mentioned above and the explained following below here:


What is a Database Management System and its advantages?

There are some points on the computer system and database models related to the topic of "What is a Database Management System and its advantages?" following below here:


What is a Database Management System and its advantages? #computersachievers

  • The database is a file that applied some program operations through database programming language
  • The database management system process data for providing the output
  • The database file has a types for software systems as relational model and object database model
  • Security system uses the database file for processing the data verification


Let's discuss the points above about the computer system and the database model related to the topic of "What is a Database Management System and its advantages?" explanation following below here:


The database is a file that applied some program operations through database programming language

The database is a file that is applied for software systems and the program to apply the operations of the programming conditions and expressions through the database programming language and predefined functions are also used to process the data on the database file on the software systems such as:- application software, website, operating system and web application.

The relational database file provides the tabular form of data to show on the output interface of the software systems such as:- particular service option program and the final interface is used to provide the output data that comes from database programming on the application or software systems.


The database management system process data for providing the output

The database management system process the data for providing the output data to the end user through the output interface that means database file is used to process the data through the program of database programming language that applied on the database file such as:- a relational database file is used to provide the text data only after processing the data from sql program and applied the relational operation on the record and their attribute, in the form of the Update, Select is used to display the record data from the relational file, Delete is used to remove the data from the record of the relational database model.

The database file included the processing from the Data Manipulation Language that provides the manipulation command applied on the relational database file.

The DML is a language that processes the data in the logical level on the record of the relational database file in the software systems or application software. The user can edit the data from the record in relation and the attributes can be changed their values with the records in the relational database.


The database file has a types for software systems as relational model and object database model

The database file has a types for software systems as a relational model and object database model for processing the different types of file such as:- a relational database model is used to process and provide the text data only in the software systems and provided by the object is used to process the image file, audio and video data file.

The video file included the object motion to show the data of the object moving in the timeline on the frame per second to show the data of the object moving from one position to another position to display on the video data file on the computer system.

The database file is used to provide the data which is processed on the database programming on the software systems or application software. The database uses mostly the relational database model file to provide the text data on the output interface of the application software or software systems and the data is processed from the database programming SQL on the relational database model of the database file.

In some cases the object database model is used to provide the object level processing to compute the input data in the form of object data type to process and provide the output data to the output interface of the application software or software systems.


Security system uses the database file for processing the data verification

Security system uses the database file to process the data for verification on the software systems or application software depends on the using the security model on the software systems.

The security model included the username and password to process the data on the database programming to verify the username value and password value on the security model through the data control language to allow the permission to access the user account on the software systems and operating system.

The username and password are the basic type of security mode to verify the username and password during the accessing the user account on the website or application software or operating system and web application software also included the basic type of security system and model.

Security model included the basic types of layers which needed to verify the username and password types of attributes on the security model using the program on the SQL of DCL meaning the Data Control Language on the relational database file. The additional security features on the application software or any types of software systems are Question and Answer to verify the data which is correct on the security layer on the software systems or application software.

The secret code also provides the protection with the username and password to provide the protection when the user verifies the data of secret code after the verification of the username and password then the secret code will verify on the security layer on the software systems or application software.

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