การคิวรีข้อมูลคำแนะนำ

def recommendations_for_user(user_id, threshold=4.5):
    # Join with the courses table
    query = """
    SELECT title, rating FROM recommendations
    INNER JOIN ____ ON courses.course_id = recommendations.course_id
    WHERE user_id=%(user_id)s AND rating>%(threshold)s
    ORDER BY rating DESC
    """
    # Add the threshold parameter
    predictions_df = pd.read_sql(query, db_engine, params = {"user_id": user_id, 
                                                             "____": ____})
    return predictions_df.title.values

# Try the function you created
print(recommendations_for_user(12, 4.65))