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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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how do you understand the right access of structure in relational database management system model

What do you mean the right accessing of structure in relational database management system [RDMS]?

About the data structure of the relational database

The storage structure of the database is type of matrix form. It makes a combination in the form of x and y axis like coordination intersection structure such as column and row insects at the point, the point position is stores a single data enter in the cell. The intersection of the column and rows are also known as cells.

What do you mean by the cell in the relation?

The cell is a single data storage box. You can enter the single data only. If you enter the s double type data it makes meaningless information. It makes illogical information in the relation. So it is most important part the cell stores only a single data.

The cell have an address to find easily such as the column have name is “a” and the row have a number is “1” then the cell makes a combination of “a1” this combination is called address in the relation model.

About the column and rows with their names

The columns have their own names such as first column name is “A”. The column A is denoted as a particular column. It known as reference name of the columns line or you can also say address name line of a column. Similarly, according to the rows have a particular serial number denoted as unique identity or a primary key attribute in the relational model.

You can change the row of serial number as a primary key and in the column you can address name line as the records properties as attribute.


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