1 #!/usr/bin/python
 2 # -*- coding: UTF-8 -*-
 3 
 4 import MySQLdb
 5 
 6 # 打开数据库连接
 7 db = MySQLdb.connect("localhost", "root", "123456", "test")
 8 
 9 # 使用cursor()方法获取操作游标
10 cursor = db.cursor()
11 
12 # 使用execute方法执行SQL语句
13 cursor.execute("SELECT VERSION()")
14 
15 # 使用 fetchone() 方法获取一条数据库。
16 data =http://www.mamicode.com/ cursor.fetchone()
17 
18 print "Database version : %s " % data
19 
20 # 关闭数据库连接
21 db.close()

 1 #!/usr/bin/python
 2 # -*- coding: UTF-8 -*-
 3 
 4 import MySQLdb
 5 
 6 # 打开数据库连接
 7 db = MySQLdb.connect("localhost", "root", "123456", "test")
 8 
 9 # 使用cursor()方法获取操作游标
10 cursor = db.cursor()
11 
12 # 如果数据表已经存在使用 execute() 方法删除表。
13 cursor.execute("DROP TABLE IF EXISTS EMPLOYEE")
14 
15 # 创建数据表SQL语句
16 sql = """CREATE TABLE EMPLOYEE (
17          FIRST_NAME  CHAR(20) NOT NULL,
18          LAST_NAME  CHAR(20),
19          AGE INT,  
20          SEX CHAR(1),
21          INCOME FLOAT )"""
22 
23 cursor.execute(sql)
24 
25 # 关闭数据库连接
26 db.close()

 1 #!/usr/bin/python
 2 # -*- coding: UTF-8 -*-
 3 
 4 import MySQLdb
 5 
 6 # 打开数据库连接
 7 db = MySQLdb.connect("localhost", "root", "123456", "test")
 8 
 9 # 使用cursor()方法获取操作游标
10 cursor = db.cursor()
11 
12 # SQL插入语句
13 ins_sql = """INSERT INTO EMPLOYEE(FIRST_NAME,
14          LAST_NAME, AGE, SEX, INCOME)
15          VALUES (‘yu‘, ‘jie‘, 20, ‘M‘, 8000)"""
16 
17 ins_sql1 = ‘insert into employee(first_name, last_name, age, sex, income) values (%s, %s, %s, %s, %s)‘
18 
19 # SQL查询语句
20 sel_sql = ‘select * from employee where first_name = %s‘
21 
22 # SQL更新语句
23 upd_sql = ‘update employee set age = %s where sex = %s‘
24 
25 # SQL删除语句
26 del_sql = ‘delete from employee where first_name = %s‘
27 
28 try:
29     # 执行sql语句
30     # insert
31     cursor.execute(ins_sql)
32     cursor.execute(ins_sql1, (‘xu‘, ‘f‘, 20, ‘M‘, 8000))
33     # select
34     cursor.execute(sel_sql, (‘yu‘,))
35     values = cursor.fetchall()
36     print values
37     # update
38     cursor.execute(upd_sql, (24, ‘M‘,))
39     # delete
40     cursor.execute(del_sql, (‘xu‘,))
41 
42     # 提交到数据库执行
43     db.commit()
44 except:
45     # 发生错误时回滚
46     db.rollback()
47 
48 # 关闭数据库连接
49 db.close()

 1 sel_sql = ‘select * from employee where first_name = %s‘
 2 cursor.execute(sel_sql, (‘yu‘,))
 3     results = cursor.fetchall()
 4     for row in results:
 5         fname = row[0]
 6         lname = row[1]
 7         age = row[2]
 8         sex = row[3]
 9         income = row[4]
10         print "fname=%s, lname=%s,age=%d,sex=%s,income=%d" % (fname, lname, age, sex, income)