Python连接mysql数据库 查询 importpymysqlif__name__ =='__main__':# 创建连接对象con = pymysql.connect(host="localhost", port=3306, user="xxxx", password="xxxx", database="db1", charset="utf8")# 获取游标cur = con.cursor()# sql 语句sql ='select * from student;'# 执行cur.execute...
到目前为止,在mysql中的工作已经完成,接下来就是用python操作了: >>>import MySQLdb>>> conn = MySQLdb.connect(host="localhost",user="root",passwd="tiange1003",db="tian",port=3306,charset="utf8",unix_socket='/tmp/mysql.sock')>>> cur =conn.cursor()>>> cur.execute("insert into users(use...
importmysql.connectorfrommysql.connectorimportErrordefcreate_connection():"""创建与MySQL数据库的连接"""connection=Nonetry:connection=mysql.connector.connect(host='localhost',# 数据库服务器地址user='your_username',# 数据库用户名password='your_password',# 数据库密码database='mydatabase'# 想要连接的数...
$ gunzip MySQL-python-1.2.2.tar.gz $ tar -xvf MySQL-python-1.2.2.tar $ cd MySQL-python-1.2.2 $ python setup.py build $ python setup.py install注意:请确保您有root权限来安装上述模块。数据库连接连接数据库前,请先确认以下事项:您已经创建了数据库 TESTDB. 在TESTDB数据库中您已经创建了表 ...
:param database: the database name :param charset: the encode of the database server """ self._conn = pymysql.connect(host=host, port=port, user=user, passwd=pwd, db=database, charset=charset) self._cur = self._conn.cursor() ...
该代码将导入 mysql.connector 库,并使用connect()函数连接到灵活服务器,使用配置集合中的参数。 该代码对连接使用游标,并通过cursor.execute()方法对 MySQL 数据库执行 SQL 查询。 Windows 命令提示符 import mysql.connector from mysql.connector import errorcode # Obtain connection string information from the po...
To handle connection errors, use the try statement and catch all errors using the errors.Error exception: import mysql.connector from mysql.connector import errorcode try: cnx = mysql.connector.connect(user='scott', database='employ') except mysql.connector.Error as err: if err.errno == ...
To create a database in MySQL, use the "CREATE DATABASE" statement:ExampleGet your own Python Server create a database named "mydatabase": import mysql.connectormydb = mysql.connector.connect( host="localhost", user="yourusername", password="yourpassword")mycursor = mydb.cursor()mycursor...
connect): raise AttributeError except AttributeError: threadsafety = 2 else: threadsafety = 0 if not threadsafety: raise NotSupportedError("Database module is not thread-safe.") self._creator = creator self._args, self._kwargs = args, kwargs self._blocking = blocking self._maxusage = ...
在MySQL Workbench界面中,建库操作如下图: 2、删除库 drop database <数据库名>; 3、创建表 create table table_name(column_name column_type); 以股票列表为例,建表代码如下: 代码语言:sql AI代码解释 /* 参数名 类型 长度 说明 备注 secu_code String 20 证券代码 ...