Sqlite3 Tutorial Query Python Fixed 2021 Review

def create_tables(self): with sqlite3.connect(self.db_name) as conn: cursor = conn.cursor() cursor.execute(''' CREATE TABLE IF NOT EXISTS users ( id INTEGER PRIMARY KEY AUTOINCREMENT, username TEXT UNIQUE NOT NULL, email TEXT UNIQUE NOT NULL, age INTEGER, created_at TIMESTAMP DEFAULT CURRENT_TIMESTAMP ) ''')

# Print the results for row in results: print(row) sqlite3 tutorial query python fixed

def safe_insert_user(name, email, age): conn = None try: conn = sqlite3.connect("app.db") cursor = conn.cursor() cursor.execute(""" INSERT INTO users (name, email, age) VALUES (?, ?, ?) """, (name, email, age)) conn.commit() print("User inserted successfully.") except sqlite3.IntegrityError: print("Error: A user with this email already exists.") except sqlite3.Error as e: print(f"An unexpected SQLite error occurred: e") if conn: conn.rollback() # Undo changes if failure happens finally: if conn: conn.close() # Always free up memory resources Use code with caution. def create_tables(self): with sqlite3