How can I access Oracle database from Python language using unique way ?

How can I access Oracle database from Python language?

we usually get issue while working with oracle database using python langaugae . The big issue how to connect with database .

There are many articles are available but when you run inti issue very few helps on out . 

if you are here then you issue is solved to how to connect with oracle database using python langaugae ?

* First you need to install python (in my case python version is  3.7.2)

* Install Oracle client (in my case oracle 18c)

* Update network configuration file tnanames.ora using db details 

* Stop firewall on linux (db install on linux in my case )

* Install oracle cx_Oracle  module in python using pip command as below 

* Start listener (db service) on oracle server

 

save the file as oracle_test.py

from __future__ import print_function

import cx_Oracle

# Connect as user "hr" with password "hr" to the "ind" service running on this server.
connection = cx_Oracle.connect("hr", "hr", "192.168.43.68/ind")

cursor = connection.cursor()
cursor.execute("""
    SELECT first_name, last_name
    FROM employees
    WHERE department_id = :did AND employee_id > :eid""",
    did = 55,
    eid = 180)
for fname, lname in cursor:
    print("Values:", fname, lname)


* you can upgrade pip module using below snapshot: