CREATE TABLE IF NOT EXISTS survey_questions (
    id INT AUTO_INCREMENT PRIMARY KEY,
    survey_id INT NOT NULL,
    question_text TEXT NOT NULL,
    question_type VARCHAR(50) NOT NULL, -- e.g., 'text', 'multiple-choice', 'rating'
    created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP,
    FOREIGN KEY (survey_id) REFERENCES surveys(id) ON DELETE CASCADE
);