raft confirmed and correct
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:
Yes
Explanation:
You can call mobile a computer because it come under one of the categories of the computer.
That category being microcomputers.
Answer:
input.open("rawdata");
input>>datum;
input.close();
Explanation:
ifstream objects maintain a filebuf object as their internal stream buffer, and perform operations like input/output on the available associated files.
In above statements.
input.open("rawdata");
- The associated file named rawdata is opened.
input>>datum;
- The integer from the file is read into already declared variable datum.
input.close();
