python mysql

 1 import pymysql
 2 """
 3 show databases;  # 查看数据库
 4 CREATE SCHEMA `mydb` DEFAULT CHARACTER SET utf8 ;  # 创建库
 5 use mydb;  # 使用mydb,之后才能对mydb库进行操作
 6 create database [dbname]  # 也可以这样创建库
 7 use mydb2;
 8 show tables;
 9 create table students(
10 id int not null auto_increment primary key,
11 name char(64) not null,
12 sex char(4) not null,
13 age tinyint unsigned not null,
14 tel char(13) null default "-"
15 );
16 """
17 
18 conn = pymysql.connect(host="127.0.0.1", user="root", passwd="123", db="mydb2")  # 连接数据库
19 
20 cur = conn.cursor()  # 创建游标
21 
22 # 执行SQL语句
23 re_count = cur.execute("insert into students(Name, sex, age, tel) values(%s, %s, %s, %s)",("zengchunyun", "M", 18, 187))
24 
25 conn.commit()  # 提交
26 cur.close()  # 关闭游标
27 conn.close()  # 关闭连接
28 
29 print(re_count)  # 打印影响行数