########## start of Rectangle class class Rectangle: def init (self, length, width) : self.length = length self.width = width def GetLength(self): return self.length def GetWidth(self) : return self.width def GetArea (self): return self.length * self.width def SetScale (self, scale): self.length = self.length * scale self.width = self.width * scale #### start of main program rec. = Rectangle (3,5) rectangleArea=rec.GetArea() print ('Rectangle Area: ' , rectangleArea) for in range (2, 5) : width = rec.GetWidth () print (' Current rectangle width:', width) rec.SetScale ( rs ) print (' Scale factor applied:', rs) width=rec.GetWidth() print (' New rectangle width: ', width) ####### end of program 2. Update the class Rectangle in problem 1 to add the following methods: a. GetPerimeter: this method will calculate and return the perimeter of the rectangle. b. Issquare: this method will check whether the rectangle is a square, i.e. the length equals the width.

########## start of Rectangle class class Rectangle: def init (self, length, width) : self.length = length self.width = width def GetLength(self): return self.length def GetWidth(self) : return self.width def GetArea (self): return self.length * self.width def SetScale (self, scale): self.length = self.length * scale self.width = self.width * scale #### start of main program rec. = Rectangle (3,5) rectangleArea=rec.GetArea() print ('Rectangle Area: ' , rectangleArea) for in range (2, 5) : width = rec.GetWidth () print (' Current rectangle width:', width) rec.SetScale ( rs ) print (' Scale factor applied:', rs) width=rec.GetWidth() print (' New rectangle width: ', width) ####### end of program 2. Update the class Rectangle in problem 1 to add the following methods: a. GetPerimeter: this method will calculate and return the perimeter of the rectangle. b. Issquare: this method will check whether the rectangle is a square, i.e. the length equals the width.

Database System Concepts

7th Edition

ISBN:9780078022159

Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan

Chapter1: Introduction

Section: Chapter Questions

Problem 1PE

See similar textbooks

Similar questions

write the following queries (n) Identify flats with at least three rooms and with a monthly rent no higher than £500 in Aberdeen. (0) List the details of leases due to expire next month at a given branch. (p) List the total number of leases with rental periods that are less than one year at branches in London. (q) List the total possible daily rental for property at each branch, ordered by branch number. System Description: Branches Dream Home has branch offices in cities throughout the United Kingdom. Each branch office is allocated members of staff, including a Manager, who manages the operations of the office. The data describing a branch office includes a unique branch number, address (street, city, and postcode), telephone numbers (up to a maximum of three), and the name of the member of staff who currently manages the office. Additional data is held on each Manager, which includes the date that the Manager assumed his or her position at the current branch office, and a monthly…
Why did you apply for this position?
What functions are used to create Authenticator? Give a detailed description.
How does the DBMS optimize the query based on the eight possible cost estimate approaches and heuristic criteria?
SQL BITS List client number, balance, consultant number, and consultant last name of every client whose balance is greater than that of client number '405.'
Count and display the booking code of customers who already paid for booking.
Please use following table information to answer the questions?SQL> DESC DEPARTMENTSName Null? Type----------------------------------------- -------- ----------------------------DEPARTMENT_ID NOT NULL NUMBER(4)DEPARTMENT_NAME NOT NULL VARCHAR2(30)MANAGER_ID NUMBER(6)LOCATION_ID NUMBER(4) SQL> DESC EMPLOYEESName Null? Type----------------------------------------- -------- ----------------------------EMPLOYEE_ID NOT NULL NUMBER(6)FIRST_NAME VARCHAR2(20)LAST_NAME NOT NULL VARCHAR2(25)EMAIL NOT NULL VARCHAR2(25)PHONE_NUMBER VARCHAR2(20)HIRE_DATE NOT NULL DATEJOB_ID NOT NULL VARCHAR2(10)SALARY NUMBER(8,2)COMMISSION_PCT NUMBER(2,2)MANAGER_ID NUMBER(6)DEPARTMENT_ID NUMBER(4) Exercises:1. Display the last name and current job title of each employee, along with the department name they arecurrently working in. Label the columns "LAST NAME", "JOB TITLE", and "DEPARTMENT".2. Display the average salary for each department, along with the department name and…
Please please all questions solve
Using the SELECT statement, query the invoice table to find the average total cost for all orders placed between 2011-01-01 and 2012-01-01. 0 5.7063106796116505 5.8095238095238095 5.7357723577235772
In your own words, please explain what it means to "fetch" an order.
Please use following table information to answer the exercises.SQL> DESC DEPARTMENTSName Null? Type----------------------------------------- -------- ----------------------------DEPARTMENT_ID NOT NULL NUMBER(4)DEPARTMENT_NAME NOT NULL VARCHAR2(30)MANAGER_ID NUMBER(6)LOCATION_ID NUMBER(4) SQL> DESC EMPLOYEESName Null? Type----------------------------------------- -------- ----------------------------EMPLOYEE_ID NOT NULL NUMBER(6)FIRST_NAME VARCHAR2(20)LAST_NAME NOT NULL VARCHAR2(25)EMAIL NOT NULL VARCHAR2(25)PHONE_NUMBER VARCHAR2(20)HIRE_DATE NOT NULL DATEJOB_ID NOT NULL VARCHAR2(10)SALARY NUMBER(8,2)COMMISSION_PCT NUMBER(2,2)MANAGER_ID NUMBER(6)DEPARTMENT_ID NUMBER(4) 12. Display the last name, hire date, and day of the week on which the employee started. Label the columnDAY. Order the results by the week starting with Monday.
Which are the types of Triggers?