query = """SELECT* 
           FROM TRANSACTION
           WHERE DIA_DAT >=to_date('15.02.28 00:00:00',  'YY.MM.DD HH24:MI:SS')
           AND (locations <> 'PUERTO RICO'
           OR locations <> 'JAPAN')
           AND CITY='LONDON'"""
df_ora = pd.read_sql(query, con=connection)