Adding a new NOT NULL column in MySQL using Python

Rename column name in MySQL using Python

Last Updated : 13 Jan, 2021

In this article, we are going to see how we can rename or alter the name of a column table using Python. Python allows the integration of a wide range of database servers with applications. A database interface is required to access a database from Python. MySQL Connector-Python module is an API in python for communicating with a MySQL database.

Approach:

Import module.
Make a connection request with the database.
Create an object for the database cursor.
Execute the following MySQL query:

ALTER TABLE your_table_name RENAME COLUMN original_column_name TO new_column_name;

Example:

In this example we are using this database table with the following query;

Below is the implementation:

Python3

# Establish connection to MySQL database 
import mysql.connector 
  
db = mysql.connector.connect( 
  host="localhost", 
  user="root", 
  password="root123", 
  database = "geeks"
  ) 
  
#getting the cursor by cursor() method 
mycursor = db.cursor() 
  
query = "ALTER TABLE persons RENAME COLUMN PersonID TO Emp_Id;"
mycursor.execute(query) 
  
# close the Connection 
db.close() 

After running this script, let’s check our tables:

Adding a new NOT NULL column in MySQL using Python

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