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
Answer:
A peer-to-peer (p2p) network provides a scalable and fault-tolerant mechanism to locate nodes anywhere on a network without maintaining large amount of routing state. This allows for a variety of applications beyond simple file sharing, including in multicast systems, anonymous communications systems, and web caches.
Explanation:
Not hard at all ma'am.
Answer:
the first argument listed after IF
Explanation:
The Logical... argument in an IF function formula is always the first argument listed after IF. And the second option is the value to be printed if the logical...argument is true, and if it is false then the value mentioned as third argument is assigned, or printed. And the logical...argument never comes before the IF function formula. Hence, the right option is the first argument.
Answer:
C. Fn Key
Explanation:
The Fn key represents the function key that used for the dual purpose. It is to be activated with the help of shift key. Also, it controls the functions of the hardware i.e. brightness of the computer or laptop screen, volume of the speaker, etc
Also, it overcomes the restrictions with respect to the size of the keyboard
hence, the correct option is c.
The relationship between time and interest is: time allowed to repay the loan (monthly payments)