How to Update Existing Records in a Table in Python MySQL


In this example, we will learn how to update existing records in a table by using the “UPDATE” statement in Python MySQL.

Source Code

import mysql.connector

mydb = mysql.connector.connect(
    host="localhost",
    port=3306,
    user="yourusername",
    password="yourpassword",
    db="mydatabase"
)

mycursor = mydb.cursor()

sql = "UPDATE us_state SET State_name = 'Ohio' WHERE State_name = 'California'"

mycursor.execute(sql)

mydb.commit()

print(mycursor.rowcount, "row affected")

mydb.close()

Output:

1 row affected
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