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sqlalchemy를 이용하여 테이블 삭제하기(컬럼타입을 수정하기가 번거롭다)from sqlalchemy import create_enginefrom models import Base, ProductDistance # Product 테이블 모델 임포트from sqlalchemy import create_engineimport osfrom dotenv import load_dotenv, find_dotenvuser = os.environ["user"]host = os.environ["host"]port = int(os.environ["port"])user = os.environ["user"]password=os.environ["passwd"]database=os.environ["database"]char..