あなたはそれを作ることができますように私はすべての通貨または単なるリストのデータを受け取ります
```
import requests
import sqlite3
from sqlalchemy import create_engine, Column, Integer, String, Float
from sqlalchemy.orm import sessionmaker
from sqlalchemy.ext.declarative import declarative_base

# Define the database connection URL
DATABASE_URI = 'sqlite:///coinbase.db'

# Define the SQLAlchemy engine and session
engine = create_engine(DATABASE_URI)
Session = sessionmaker(bind=engine)
session = Session()

# Define the SQLAlchemy Base class
Base = declarative_base()

# Define the schema for the table
class CoinbaseData(Base):
    __tablename__ = 'coinbase_data'
    id = Column(Integer, primary_key=True)
    currency_pair = Column(String)
    exchange_rate = Column(Float)

# Define the Coinbase API URL
url = 'https://api.coinbase.com/v2/exchange-rates'

# Retrieve data from the Coinbase API
response = requests.get(url)
data = response.json()

# Loop through the data and create a new object of CoinbaseData class for each currency pair
for currency_pair, exchange_rate in data['data'].items():
    coinbase_data = CoinbaseData(currency_pair=currency_pair, exchange_rate=float(exchange_rate))
    session.add(coinbase_data)

# Commit the transactions and close the session
session.commit()
session.close()
```