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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 with an example?

What is a Database Management System with an example?

Database management system is used to provide the data processing on the application software or other types of system that process the data for output data.

The data is collected from the input resources and the input device is used to send the data to the application according to the database type such as:- a barcode reader is used to collect information from the bar code and provide the text information to the application software to process and saves into the relational database model to provide the output data when the user want to see and display on the output interface of the application software.

The interface of the application software to show the database in the format of a table on the application software output interface.

The database model is used to provide the data to show when the user want to see the processed data on the interface of the application to study the data from the database file such as:- relational database model is used to provide the relation format of data to see and study on it, if the user want to see the saved data in the form of general detail of every types of employees on the different types of department in the relational file.


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


What is a Database Management System with an example?


Let's discuss computer and database system related to the topic of "What is a Database Management System with an example?" and explained following below here:


What is a Database Management System with an example?

There are some points on the computer system and database technology related to the topic of "What is a Database Management System with an example?" following below here:


There are explanation of database model with an example in each points following below here:


What is a Database Management System with an example?

  • Database model is a file in the relational model to provide the record and attributes
  • Database is used to process the data manipulation on the particular database file
  • Database file is used for security model to provide the protection of user data
  • Object database model is used to object data processing


Let's discuss the points listed above about the computer system and database technology related to the topic of "What is a Database Management System with an example?" explanation following below here:


There are explanation of database model with an example in each points following below here:


Database model is a file in the relational model to provide the record and attributes

Database model is a file that is used to provide the relational model to display the table format of data according to the record and its attributes on the relational file.

Database file of relation is used to save the data in the record of the relational database model.

Database is used to process the data using the query language to process the query operation on the record of the relational database model.

The relational database model is used to provide the text data processing according to the record and its attributes to apply some operations on the record. The query operation is allowed to perform on the record, not a particular attribute of the record.

The key attributes are used to trigger the record to perform an operation on the record of the relational database model.

The database file is used to provide the output data when the user performs a query operation on the relational database model on the application software or any type of system.


Database is used to process the data manipulation on the particular database file

Database is used to process the data manipulation on the particular database file to perform different types of operations on the database file to process the data using the different types of keywords such as:- update, delete, insert, select etc.

The data manipulation command that is used to perform on the database file which is blank or inserted data into the blank database file to save a new type of database in the blank database file.

The data manipulation command is applied on the database file of the relational database model on the particular record of the database file that is used to perform an operation of the data manipulation command to manipulate or change the data also uses through DML or data manipulation language from the SQL program used on the relational database model. The database file of relation includes the record and attributes are used to save the data according to the attribute the record makes an information of the particular subject or object on the record of the relational database model.


Database file is used for security model to provide the protection of user data

Database file is used for security model to provide the protection of the user database that is saved into the database file and the end user want to see their detail which is in the form of relational database model displays on the form of the application or website interface or operating system or web application depends on the form uses to display the data on the monitor output device on the output interface of the application software form, web application form or operating system form and the website depends on the using of the system and programs.

The security model is used to provide the verification of the user details such as:- username and password are basic verification on the application software or other type of system of program that are uses to apply for user to give protection to verify their detail on the database file which is used to process the data and control the data on the database file to provide the verification system that matches the data from the record and the attributes of username and password through the DCL of the SQL program. The DCL is a data control language.


Object database model is used to object data processing

Object database model is used to process the data in the form of the object recorded or captured in the image or frequency patterns recorded on the audio file and video data is used to record according to the unit of frame rate per second on the video file.

The object database file is used to provide the data processing in the level of object based file such as:- image file is used to provide the object data in the form of still without moving the object in the form of 2d or 3d according to the coordinates to provide the object in the form of display data on the graphics.

The video data is used to show the image one by one with frame rate per second to display the data recorded on the video file. The object in the video data is used to display according to the timeline with frame rate per second such as:- 40 fps or 60 fps means the 40 or 60 frames per second or frame rate second on the video database to show the object in motion on the video data.

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