from sqlalchemy import create_engine

import pandas as pd

import numpy as np

df = pd.DataFrame(np.random.randn(, ))

conn_string='oracle+cx_oracle://scott:tiger@127.0.0.1:1521/orcl'

engine = create_engine(conn_string, echo=False)

df.to_sql('Output', con=engine)

import numpy as np

import pandas as pd

df = pd.DataFrame(np.random.randn(, ))

df.to_csv('./a.csv', sep=',', header=True, index=True)