how to connect a database to python code example

Example 1: how to connect to mysql database in python

import mysql.connector

cnx = mysql.connector.connect(user='scott', password='password',
                              host='127.0.0.1',
                              database='employees')
cnx.close()

Example 2: connect python to mysql

import mysql.connector
mydb = mysql.connector.connect(
  host="localhost",
  user="yourusername",
  password="yourpassword",
  port = 8888, #for Mamp users
  database='whatever db you want'
)
print(mydb)

Example 3: python3 mysql database access

#!/usr/bin/python3

import pymysql

# Open database connection
db = pymysql.connect("localhost","testuser","test123","TESTDB" )

# prepare a cursor object using cursor() method
cursor = db.cursor()

# Drop table if it already exist using execute() method.
cursor.execute("DROP TABLE IF EXISTS EMPLOYEE")

# Create table as per requirement
sql = """CREATE TABLE EMPLOYEE (
   FIRST_NAME  CHAR(20) NOT NULL,
   LAST_NAME  CHAR(20),
   AGE INT,  
   SEX CHAR(1),
   INCOME FLOAT )"""

cursor.execute(sql)

# disconnect from server
db.close()