pymysql更新數據

更新數據

import pymysql
db = pymysql('localhost', 'root', '123456', 'heimdall')
cursor = db.cursor()

• 用於更新數據的sql語句
  update = "UPDATE employee SET age = age + 1 WHERE sex= '男'"

• 發生錯誤就回滾
  try: cursor.execute(update) db.commit() except: db.rollcack()

db.close()