How many of the relations in Johnny's logical database design have a composite primary key?
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How many of the relations in Johnny's logical
![*****
*****
3
ARTIST
Artist ID
Artist Name
(First Name, Middle Initial,
Last Name)
{Country Of Residence 3
ART WORK
Art Item ID
Title
туре
Height
[Size]
DI
t
DI
TRAVELING SHOW
Traveling Show ID
{City3
Start Date
End Date
[Duration]
t
creates
includes](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fd9b85f7c-30cd-4d92-a4d3-965f6bfe62a6%2Fce5dee24-8cd0-4257-bd3f-4bdec8039031%2Frbfg1oi_processed.png&w=3840&q=75)
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- C+++ HELP WITH MISSING CONSTRUCTOR Use a member initialization list to make the GamePoints' constructor assign teamPanthers with 500 and teamWolves with 500 #include <iostream>using namespace std; class GamePoints { public: GamePoints(); void Start() const; private: int teamPanthers; int teamWolves;}; GamePoints::GamePoints() :/* Your code goes here */{} void GamePoints::Start() const { cout << "Game started: Panthers " << teamPanthers << " - " << teamWolves << " Wolves" << endl;} int main() { GamePoints myGame; myGame.Start(); return 0;}Create a class of Student having private data members. Make all constructors along with setter getter. Also make a print function that can print all the information of a student. Class Student{Private:char* name;char* reg_no;float cgpa;Date dob;};Class Date{Private:int day;int month;int year;};Create a class Student that contains three members: roll no, name and mark, and threefunctions. Write a first inputStudent() function to get data of student class. Write a secondgetMark() function that returns a student’s mark. Write a third display() function thatdisplays a student’s data. In a main() function, you need to declare 40 students and get dataof all students by using inputStudent() function. And also use a pointer array to keep allstudents by mark greater than 50 and display the searching data of each student in thatpointer array (Use the access operator -> to access a pointer points to member functions ofthe Student class)
- #ifndef lab5ExF_h #define lab5ExF_h typedef struct point { char label[10]; double x ; // x coordinate for point in a Cartesian coordinate system double y; // y coordinate for point in a Cartesian coordinate system double z; // z coordinate for point in a Cartesian coordinate system }Point; void reverse (Point *a, int n); /* REQUIRES: Elements a[0] ... a[n-2], a[n-1] exists. * PROMISES: places the existing Point objects in array a, in reverse order. * The new a[0] value is the old a[n-1] value, the new a[1] is the * old a[n-2], etc. */ int search(const Point* struct_array, const char* target, int n); /* REQUIRES: Elements struct-array[0] ... struct_array[n-2], struct_array[n-1] * exists. target points to string to be searched for. * PROMISES: returns the index of the element in the array that contains an * instance of point with a matching label. Otherwise, if there is * no point in the array that its label matches the target-label, * it should return -1. * If there are more than…Q 1) Write a class with name Array. This class has an array which should be initialized by user. Create a function with name sumFind in this class with working logic as sum of all elements of an array, after finding sum, if sum is even calculate factorial otherwise display only sum. ( Note::: subject::c# language )PART 2: Pets Examine carefully the UML class diagram below: NOTE: Class Reptile was missing a toString() method. It has now been added. class Pet has an attribute of type java.util.Date. no specific dates are required for this attribute. compareTo(Dog) compares Dogs by weight. Create executable class TestPet as follows: create at least one Reptile pet and display it create an array of at least four Dog pets sort the array of Dogs by weight use a foreach loop to fully display all data for all dogs sorted by weight (see sample output)
- 2.2 A struct employeeType has been declared with two elements: name and salary.a. Declare an employeeType struct array for 100 employees. b. Write a code snippet of the loop that will accept the details of the 100 employees.2.2 A struct employeeType has been declared with two elements: name and salary.a. Declare an employeeType struct array for 100 employees in c++. b. Write a code snippet of the loop that will accept the details of the 100 employees.(TicTacToe Class) Create a class TicTacToe that will enable you to write a complete programto play the game of tic-tac-toe. The class contains as private data a 3-by-3 two-dimensional arrayof integers. The constructor should initialize the empty board to all zeros. Allow two human players.Wherever the first player moves, place a 1 in the specified square. Place a 2 wherever the second player moves. Each move must be to an empty square. After each move, determine whether the gamehas been won or is a draw. If you feel ambitious, modify your program so that the computer makesthe moves for one of the players. Also, allow the player to specify whether he or she wants to go firstor second. If you feel exceptionally ambitious, develop a program that will play three-dimensionaltic-tac-toe on a 4-by-4-by-4 board. [Caution: This is an extremely challenging project that couldtake many weeks of effort!]
- 5.16 LAB: Adjust list by normalizing (JAVA) When analyzing data sets, such as data for human heights or for human weights, a common step is to adjust the data. This adjustment can be done by normalizing to values between 0 and 1, or throwing away outliers. For this java program, adjust the values by dividing all values by the largest value. The input begins with an integer indicating the number of floating-point values that follow. Assume that the list will always contain fewer than 20 floating-point values. Output each floating-point value with two digits after the decimal point, which can be achieved as follows:System.out.printf("%.2f", yourValue); Ex: If the input is: 5 30.0 50.0 10.0 100.0 65.0 the output is: 0.30 0.50 0.10 1.00 0.65 The 5 indicates that there are five floating-point values in the list, namely 30.0, 50.0, 10.0, 100.0, and 65.0. 100.0 is the largest value in the list, so each value is divided by 100.0. For coding simplicity, follow every output value by a…array of Payroll ObjectsDesign a PayRoll class that has data members for an employee’shourly pay rate and number of hours worked. Write a program withan array of seven PayRoll objects. The program should read thenumber of hours each employee worked and their hourly pay ratefrom a file and call class functions to store this information in theappropriate objects. It should then call a class function, once foreach object, to return the employee’s gross pay, so this informationcan be displayed.C++ Create a class Student that contains three members: roll no, name and mark, and three functions. Write a first inputStudent() function to get data of student class. Write a second getMark() function that returns a student’s mark. Write a third display() function that displays a student’s data. In a main() function, you need to declare 40 students and get data of all students by using inputStudent() function. And also use a pointer array to keep all students by mark greater than 50 and display the searching data of each student in that pointer array (Use the access operator -> to access a pointer points to member functions of the Student class).