Chapter 9, Problem 7CRP

(a)

Program Plan Intro

DBMS (Database management system):

It is used to define, manage and manipulate database and make it easy for the user to store and retrieve the data.

(b)

Explanation of Solution

To determine whether there is any vacancy available for flight 243:

The application software of DBMS is used. It is a type of query...

(c)

Explanation of Solution

How to organize a relation in mass storage:

The main function of DBMS is to store a large amount of data and retrieve the data whenever necessary...

(d)

Explanation of Solution

To determine the number of times a user can mistype a password before the termination of the conversation:

It totally depends on the confidentiality and security of the conversation that how much attempt should be given to the user. If the conversation is highly secured then only one or two attempts were given to the user...

(e)

Explanation of Solution

How to implement the PROJECT operation:

It totally depends upon the designer of DBMS as he designs the basic routin...