
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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- Please Answer in C++ only A Rajesh teaches a cooking class. The course is attended by NN students, numbered 11 to NN. The cook must participate in the presence before each class, i.e. call out the names of the students one by one and indicate which students are present. Each student has a first and last name. To save time, Rajesh only wants to call up students' first names. However, if there are multiple students with the same first name, the Rajesh must call out the full names (first and last names) of all those students. For any student who does not share a first name with any other student, the cook can still only call that student's first name. Help the Rajesh decide for each student whether to call that student's full name or just their first name. Input 1 1 hasan jaddouh Output hasanarrow_forwardWrite a program using C++ that allows you to write stats of a monster and save it to a file. Make sure the stats are in a structure. This program also allows you to open the file and read the stats of the monster. (Print what was read onto the screen -- put the values into a structure. If you put the info into the file via binary, you will need to read it via binary too.) Use the error stream (either cerr, clog, or stderr) to print out errors if the files do not open.arrow_forwardWhich header file has to be included in a C++ code in order to make use of the string manipulation methods?arrow_forward
- Write a C code. You should use scanf() and use printf to show the values that you have assigned. The structure type must have following information:Name of structure: city_pComponents of structure:Name (name of the city)Population (number of people in the city)In_California (is the city inside California or not)Speed_limit (usual speed limit inside the city)arrow_forwardDateType keeps only the integer representation of the month,day, and year. When a month is wanted in string form, the string iscalculated. An alternate approach would be to add a string field tothe date and calculate and store the string representation in theInitialize function. Which methods would have to bechanged? Would this change make the use of an if statement tofind the appropriate string more or less attractive? Write the code in C++for this if statement.arrow_forwardWrite a function that accepts either a pointer to a C-string, or a string object, as its argument. The function should return the character that appears most frequently in the string. Demonstrate the function in a complete program.arrow_forward
- Without using any string literal notation, how do you create the C++ statement that manually creates a null-terminated C-style string as an array of characters. Use the string “Sampson” as your example. Which element is stored in the base address of the array?arrow_forwardI need help with this assignment, I need to make a struct to implement a limited Python style list in C++. When you bootstrap the exercise, you will be given a main.cpp file, with a simple program written in it. The program declares a Python style list and appends several elements to it, before printing it out to the terminal. The file is where I would setup my code #ifndef PY_LIST_H #define PY_LIST_H #include <iostream> struct PyList { // Declare your vars here PyList(){ // Implement this } void append(int x){ // Implement this } void append(char x){ // Implement this } void append(float x){ // Implement this } ~PyList(){ // Implement this } }; std::ostream& operator<<(std::ostream& os, const PyList& pyList){ os << '['; // Complete this implementation os << ']'; return os; } #endif Here is the main.cpp file that it must be able to run and the float must not have floating zeros #include <iostream> #include "PyList.h"…arrow_forwardList two features we used from the C++ standard library, including a short explanation of why you would use the feature and which header file must be included. Example: The std::cin object is found in the iostream header file and is used to read characters from the keyboard.arrow_forward
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