demo_mysql_alter_primary_key.py:
import mysql.connector mydb = mysql.connector.connect( host="localhost", user="yourusername", passwd="yourpassword", database="mydatabase" ) mycursor = mydb.cursor() mycursor.execute("ALTER TABLE customers ADD COLUMN id INT AUTO_INCREMENT PRIMARY KEY") #If this page is executed with no error, the table "customers" now has a primary key
➜ begtut>python demo_mysql_alter_primary_key.py