exec("CREATE TABLE IF NOT EXISTS exams (
id INT AUTO_INCREMENT PRIMARY KEY,
title VARCHAR(255) NOT NULL,
description TEXT,
teacher_id INT,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (teacher_id) REFERENCES users(id) ON DELETE SET NULL
)");
// Create exam_questions table
$db->exec("CREATE TABLE IF NOT EXISTS exam_questions (
id INT AUTO_INCREMENT PRIMARY KEY,
exam_id INT,
question TEXT NOT NULL,
created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
FOREIGN KEY (exam_id) REFERENCES exams(id) ON DELETE CASCADE
)");
// Create student_exams table
$db->exec("CREATE TABLE IF NOT EXISTS student_exams (
id INT AUTO_INCREMENT PRIMARY KEY,
student_id INT,
exam_id INT,
score INT,
completed_at TIMESTAMP,
FOREIGN KEY (student_id) REFERENCES users(id) ON DELETE CASCADE,
FOREIGN KEY (exam_id) REFERENCES exams(id) ON DELETE CASCADE
)");
} catch (PDOException $e) {
die("Error: " . $e->getMessage());
}
?>
Exams
Exams
Exam management page.