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
