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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 understand by DBA in DBMS?

What is DBA in DBMS [Database Management System]?

DBA stands for Database Administrator.

  • It manages the logical level of the database design.
  • It manages the physical level of the database design.
  • It controls the logical implementation of the database design.
  • It controls the physical implementation of the database design.
  • It can also controls whole the database structure and sets up the setup of the database system.
  • Database administrator is also known as supervision of the database management system who have knowledge about all the necessary logical and physical level and their implement of their requests in the database management system.
  • It manages the schema definition in the database.
  • It can control routine maintenance of the DBMS.

How to the database administrator (DBA) manage the logical level in DBMS?

The Database administrator manages the logical views. The DBA consider the problem if there is facing a problem of data value in an attribute of the record. They detect the error in the database processing by their own basic computation model of the algorithm. There are so many methods to solve the problem different of different types in database processing.

How to the database administrator (DBA) manage the logical level in DBMS?

For example: There is wrong value of the attribute in the record. So it needs to implement the code for right calculation of the data value in the attribute. Such as simple mark sheet database consider the total marks of all subjects are not match given right data form hardcopy in mark sheet. So the DBA correct the data using the function of UPDATE in the query code implementation in the database of mark sheet.

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