msql

1. 系统级别的变量 sudo vim /etc/profile export PATH=/usr/local/mysql/bin:/usr/local/mysql/support-files:$PATH esc :wq! source /etc/profile 用户级别的环境变量 vim .zsh ......

import random,string,json,pymysql import pandas as pd connect = pymysql.connect(user = '', password = 'h', db = 'g, host = 'r', port = 3306, charset = ......