Initial Commit

Labs/Lab8/IsaacShoebottom_CS1103_Lab8/Prodecure.sql

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+CREATE PROCEDURE `studentTranscript`(
+	IN `ID` INT
+)
+BEGIN
+	IF EXISTS(SELECT 1 from Students where studentID = ID) THEN
+		SELECT courseName, letterGrade
+		FROM Enrollments
+		NATURAL JOIN Courses
+		NATURAL JOIN Students
+		WHERE studentID = ID;
+	ELSE
+		SIGNAL SQLSTATE '45006'
+				SET MESSAGE_TEXT = 'Student ID does not exist in system.';
+	END IF;
+END

Labs/Lab8/IsaacShoebottom_CS1103_Lab8/Question1.java

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+import java.sql.CallableStatement;
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+import java.util.Scanner;
+
+public class Question1 {
+    public static void main(String[] args) {
+        Question1 question1 = new Question1();
+        Connection conn = question1.openConnection();
+        Scanner sc = new Scanner(System.in);
+        System.out.print("What is the name of the student?: ");
+        String studentName = sc.nextLine();
+        System.out.print("What is the email address of the student?: ");
+        String emailAddress = sc.nextLine();
+        System.out.print("What is the high school average of the student?: ");
+        String highSchoolAverage = sc.nextLine();
+        try {
+            String query = "{CALL AcceptStudent(?, ?, ?)}";
+            CallableStatement statement = conn.prepareCall(query);
+            statement.setString(1, studentName);
+            statement.setString(2, emailAddress);
+            statement.setString(3, highSchoolAverage);
+            statement.executeQuery();
+
+        } catch (SQLException sqlException) {
+            System.err.println(sqlException.getMessage());
+        }
+        System.out.println(studentName + " with email address: " + emailAddress + " and a high school average of: " + highSchoolAverage + " added");
+        question1.closeConnection(conn);
+
+    }
+    private Connection openConnection() {
+        final String url =  "jdbc:mysql://cs1103.cs.unb.ca:3306/ishoebot";
+        final String user = "ishoebot";
+        final String password = "k7FOLH5B";
+        Connection conn = null;
+        try {
+            conn = DriverManager.getConnection(url, user, password);
+        }
+        catch (Exception exception) {
+            System.err.printf("Couldn't open a connection: (%s)", exception.getMessage());
+        }
+        return conn;
+    }
+    private void closeConnection(Connection conn) {
+        try {
+            conn.close();
+        }
+        catch (Exception exception) {
+            System.err.printf("Couldn't close connection: (%s)", exception.getMessage());
+        }
+    }
+}

Labs/Lab8/IsaacShoebottom_CS1103_Lab8/Question2.java

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+import java.sql.*;
+
+public class Question2 {
+    public static void main(String[] args) {
+        if(args.length < 1) {
+            System.err.println("Usage: Question2 <StudentID>");
+            System.exit(-1);
+        }
+        Question2 question2 = new Question2();
+        Connection conn = question2.openConnection();
+        String studentID = args[0];
+        try {
+            String query = "{CALL studentTranscript(?)}";
+            CallableStatement statement = conn.prepareCall(query);
+            statement.setString(1, studentID);
+            ResultSet rs = statement.executeQuery();
+            while(rs.next()) {
+                String row = rs.getString(1) + ": " + rs.getString(2);
+                System.out.println(row);
+            }
+        } catch (SQLException sqlException) {
+            System.err.println(sqlException.getMessage());
+        }
+        question2.closeConnection(conn);
+
+    }
+    private Connection openConnection() {
+        final String url =  "jdbc:mysql://cs1103.cs.unb.ca:3306/ishoebot";
+        final String user = "ishoebot";
+        final String password = "k7FOLH5B";
+        Connection conn = null;
+        try {
+            conn = DriverManager.getConnection(url, user, password);
+        }
+        catch (Exception exception) {
+            System.err.printf("Couldn't open a connection: (%s)", exception.getMessage());
+        }
+        return conn;
+    }
+    private void closeConnection(Connection conn) {
+        try {
+            conn.close();
+        }
+        catch (Exception exception) {
+            System.err.printf("Couldn't close connection: (%s)", exception.getMessage());
+        }
+    }
+}

Labs/Lab8/Prodecure.sql

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+CREATE PROCEDURE `studentTranscript`(
+	IN `ID` INT
+)
+BEGIN
+	IF EXISTS(SELECT 1 from Students where studentID = ID) THEN
+		SELECT courseName, letterGrade
+		FROM Enrollments
+		NATURAL JOIN Courses
+		NATURAL JOIN Students
+		WHERE studentID = ID;
+	ELSE
+		SIGNAL SQLSTATE '45006'
+				SET MESSAGE_TEXT = 'Student ID does not exist in system.';
+	END IF;
+END