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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 do you mean by the aggregation in database management system model?

What do you understand by the aggregation in Database Management System Model?

Aggregation in DBMS

  • The aggregation is a process to compile the information.
  • This is a process of compiling to perform on the object of the database.
  • This process impacts the object and abstracts the high level from general form of the object categories.
  • The aggregation cannot illustrate the relationships in the relationships connections.
  • The aggregation is grouping of the object the makes a higher level.
  • You need to express the relationship within to construct a relation of a class which is the base of the two or more entity and object in database model.

Aggregation is the process to compile information

The process of the aggregation is to use to compile information of the object that means the objects have their characteristics and these characteristics are separated by the aggregation process from the general form of the object in the model.

There are some types characteristics are name, age, work type, employee code etc. of the person object in the real life. To aggregation the personal information of the object is work type of the person.

It shows the type of work of the person that means ability of the person to make separation in the higher level of entity sets or you can say the super class of the person object in the real life.

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