Problem Solving with C++ (9th Edition)
Problem Solving with C++ (9th Edition)
9th Edition
ISBN: 9780133591743
Author: Walter Savitch
Publisher: PEARSON
Question
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Chapter 12, Problem 3P
Program Plan Intro

“Money” ADT Class

Program plan:

  • For file “MoneyADT.h”:
    • Include required header file.
    • Define a class for “Money”.
      • Declare the function for overload operator “<”, “<=”, “>’, “>=”, “+”, “-” and “==”.
      • Declare the constructor for “Money” class.
      • Declare the function for compute total amount, total dollars and total cents.
      • Declare the function for operator “>>” and “<<”.
      • Declare required variables.
  • For file “MoneyADT.cpp”:
    • Define function for overload operator “<”, “<=”, “>” and “>=”.
    • Define function for “percent”.
      • This function is used to compute the percentage amount for given money.
    • Define function for arithmetic operator “+” and “-” with two arguments.
    • Define function for overload operator “==”.
    • Define function for overload operator “-” with one parameter.
    • Define default constructor for “Money” class, constructor with one argument and two arguments.
    • Define function “computeTotalAmount”.
      • This function is used to compute the total amount.
    • Define function “computeTotalDollars”.
      • This function is used to compute the dollars in given amount.
    • Define function “computeTotalCents”.
      • This function is used to compute the cents in given amount.
    • Define function “forDollarConversion” which is used to convert amount to dollar
    • Define function “forCentsConversion” which is used to convert the amount to cents.
    • Define function “forRoundedValue” which is used for convert the result in rounded value.
    • Define function for input and output operator.
  • For file “main.cpp”:
    • Include required header file.
    • Create an object for “Money” class.
    • Create an object for “Money” class with argument.
    • Declare variable for file input and file output.
    • Open the given input file.
    • Check the given file is found or not using “if” loop.
    • Read the amount from file.
    • Display the purse amount.
    • Compare the given amount and purse amount.
    • Compute sum of amount and purse and display it.
    • Compute the difference of two amount and display it.
    • Check the amount using the comparison operator “>=”.
    • Check the amount using the comparison operator “>”.
    • Check the amount using the comparison operator “<=”.
    • Check the amount using the comparison operator “<”.
    • Finally close input and output file.

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Consider the following relational schema and briefly answer the questions that follow:   Emp(eid: integer, ename: string, age: integer, salary: real)  Works(eid: integer, did: integer, pct_time: integer)  Dept(did: integer, budget: real, managerid: integer)      a. Define a table constraint on Dept that will ensure that all managers have age > 30. b. Write SQL statements to delete all information about employees whose salaries exceed that of the manager of one or more departments that they work in. Be sure to ensure that all the relevant integrity constraints are satisfied after your updates.
Consider the following relations:     Student(snum: integer, sname: string, rmajor: string,          level: string, age: integer)   Class(cname: string, meets_at: time, room: string, fid: integer)   Enrolled(snum: integer, cname: string)   Faculty(fid: integer, fname: string, deptid: integer)     The meaning of these relations is straightforward; for example, Enrolled has one record per student-class pair such that the student is enrolled in the class.     2. Express each of the following integrity constraints in SQL unless it is implied by the primary and foreign key constraint; if so, explain how it is implied. If the constraint cannot be expressed in SQL, say so. For each constraint, state what operations (inserts, deletes, and updates on specific relations) must be monitored to enforce the constraint.   (a) Every faculty member must teach at least two courses. (b) Every student must be enrolled in the course called 'Math101'. (c) A student cannot add more than two courses at a time…
Consider the following relational schema. An employee can work in more than one department; the pct_time field of the Works relation shows the percentage of time that a given employee works in a given department.   Emp(eid: integer, ename: string, age: integer, salary: real)  Works(eid: integer, did: integer, pct_time: integer)  Dept(did: integer, budget: real, managerid: integer)      Write the following queries in SQL:   a. Print the name of each employee whose salary exceeds the budget of all of the departments that he or she works in. b. Find the enames of managers who manage only departments with budgets larger than $1 million, but at least one department with budget less than $5 million.
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