Subquery: A query which is nested inside a SELECT, INSERT, DELETE, UPDATE statement is called as subquery. A subquery is mostly embedded within a WHERE clause. It is possible to get values from multiple tables with the help of subquery. IN Operator: In SQL, “IN” operator is used to select values from the table which is equal to any of the values from the mentioned table. Syntax: SELECT * FROM table_Name WHERE condition1 IN value;

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The following is code for a disc golf program written in C++: // player.h #ifndef PLAYER_H #define PLAYER_H #include <string> #include <iostream> class Player { private: std::string courses[20]; // Array of course names int scores[20]; // Array of scores int gameCount; // Number of games played public: Player(); // Constructor void CheckGame(int playerId, const std::string& courseName, int gameScore); void ReportPlayer(int playerId) const; }; #endif // PLAYER_H // player.cpp #include "player.h" #include <iomanip> Player::Player() : gameCount(0) {} void Player::CheckGame(int playerId, const std::string& courseName, int gameScore) { for (int i = 0; i < gameCount; ++i) { if (courses[i] == courseName) { // If course has been played, then check for minimum score if (gameScore < scores[i]) { scores[i] = gameScore; // Update to new minimum…

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Chapter 7, Problem 121C

Program Plan Intro

Subquery:

A query which is nested inside a SELECT, INSERT, DELETE, UPDATE statement is called as subquery. A subquery is mostly embedded within a WHERE clause. It is possible to get values from multiple tables with the help of subquery.

IN Operator:

In SQL, “IN” operator is used to select values from the table which is equal to any of the values from the mentioned table.

Syntax:

SELECT * FROM table_Name WHERE condition1 IN value;

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The following is code for a disc golf program written in C++: // player.h #ifndef PLAYER_H #define PLAYER_H #include <string> #include <iostream> class Player { private: std::string courses[20]; // Array of course names int scores[20]; // Array of scores int gameCount; // Number of games played public: Player(); // Constructor void CheckGame(int playerId, const std::string& courseName, int gameScore); void ReportPlayer(int playerId) const; }; #endif // PLAYER_H // player.cpp #include "player.h" #include <iomanip> Player::Player() : gameCount(0) {} void Player::CheckGame(int playerId, const std::string& courseName, int gameScore) { for (int i = 0; i < gameCount; ++i) { if (courses[i] == courseName) { // If course has been played, then check for minimum score if (gameScore < scores[i]) { scores[i] = gameScore; // Update to new minimum…

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