Inserting data into a new column of an already existing table in MySQL using Python
Prerequisite: Python: MySQL Create Table
In this article, we are going to see how to Inserting data into a new column of an already existing table in MySQL 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.
Attention geek! Strengthen your foundations with the Python Programming Foundation Course and learn the basics.
To begin with, your interview preparations Enhance your Data Structures concepts with the Python DS Course. And to begin with your Machine Learning Journey, join the Machine Learning - Basic Level Course
Database table in use:
We are going to use geeks(Database name) database and table describing the salary.
- Import module.
- Make a connection request with the database.
- Create an object for the database cursor.
- Execute the following MySQL query:
ALTER TABLE person ADD salary int(20); UPDATE persons SET salary = '145000' where Emp_Id=12;
- And print the result.
Before starting let do the same in SQL:
Step 1: Create a new column with alter command.
ALTER TABLE table_name ADD column_name datatype;
Step 2: Insert data in a new column.
Below is the full implementation in python: