Answer: (D) Database design follows the twelve principles proffered by Dr. Edgar F. Codd
Explanation:
The relational database is basically based on the relational model of the data which is proposed by the Dr Edger F. codd and he mainly introduced the twelve basics principle of the database designing in the database system. He also contributed various valuable principle in the computer science.
The twelve principle are:
- The first rule of the relational database is the information rule as it represented all data or information
- Independence of the integrity
- Viewing various updating rule
- Logically treatment of various NULL value
- Independence of the physical database
- Distribution in-dependency
- Various delete, insert and update rules
- The overall logical description of the database are basically stored in the database directory
- There is no subversion rule
- There is guarantee accessing rule
- Proper rule for data language
- The relational database level actions
PAN is known to be the type of network that is best for shayne.
<h3>What is PAN in a network?</h3>
A personal area network (PAN) is known to be a form of an interconnection that is made by information technology devices and it is one that is found in the range of a specific person.
Hence, based on the above scenario, PAN is known to be the type of network that is best for shayne.
See options below
Shayne keeps his home office computer on his desk. He wants to use a wireless keyboard and mouse, and to send output to his printer and receive input from his scanner wirelessly. Which type of network is best for Shayne?
WAN
PAN
MAN
LAN
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Combination of the Star and bus topologies.
Answer: Option 2.
<u>Explanation:</u>
A tree topology is a formal composed report containing business objectives, the techniques on how these objectives can be accomplished, and the time period inside which these objectives should be accomplished.
A tree network, or star-bus network, is a mixture organize topology in which star systems are interconnected by means of transport systems. Tree systems are various leveled, and every hub can have a discretionary number of kid hubs.
Answer:
The nucleus is made up of particles called protons and neutrons. Electrons spin around the nucleus in shells. ... The protons and electrons of an atom are attracted to each other. They both carry an electrical charge.
Explanation:
Answer:
It works for me
Explanation:
sometimes the questions I'm looking for aren't on there