python3.7操作mysql數據庫

1、創建mysql數據庫及表；

      mysql> create table test_emp1 (id INT(12),name VARCHAR(25),deptid INT(12),salary FLOAT);
    Query OK, 0 rows affected (0.06 sec)
    插入數據：

   mysql> insert into test_emp1(id,name,deptid,salary) values (001,'wang','001',80000);
  Query OK, 1 row affected (0.01 sec)
2、python3.7操作mysql數據庫增刪改查

  https://www.cnblogs.com/UncleYong/p/10938993.html

  (1)連接數據庫並查表中的數據輸出。

import pymysql
conn=pymysql.connect(
    host='10.1.33.203',
 port=3306,
 user='root',
 password='123456',
 db='test',
 charset='utf8'
)
cursor=conn.cursor()
sql='select * from test_emp1'
print('%s',sql)
rows=cursor.execute(sql)
print(cursor.fetchone())
cursor.close()
conn.close()
if rows>=0:
 print('連接成功；')
else:
 print('連接失敗；')