user = getpass.getuser()ifpassword:try:returnMySQLdb.connect(host=host, port=port, db=db, user=user, password=password)except:# some versions of the MySQL driver use different namesreturnMySQLdb.connect(host=host, port=port, db=db, username=user, passwd=password)else:returnMySQLdb.connect(hos...
连接到PostgreSQL数据库的代码示例如下: importpgdb# 连接到数据库conn=pgdb.connect(database="your_database",user="your_user",password="your_password")cursor=conn.cursor() 1. 2. 3. 4. 5. 没有主键的情况 在某些情况下,尤其是在数据迁移或从源系统导入数据时,您可能会发现某些表没有主键。在这种情...
The web interface mainly uses the front-end framework Twitter Bootstrap based on HTML5 (HyperText Markup Language 5), CSS (Cascading Style Sheets) and JavaScript, and allows users to connect various levels of information, query the data and generate results. The data can be downloaded through ...
的方法,今天用python写了针对个人比较熟悉的开源数据库PostgreSQL的常用操作,开发过程简介如下: 一、环境信息: 1、操作系统: RedHat EnterpriseLinux... 3、 开发工具: Eclipse+Pydev+python2.6+PyGreSQL(提供pg模块) 4、说明: a、PostgreSQL数据库运行于RedHatLinux...上,Windows下也要安装pgAdmin(访问PostgreSQL服务...
connect – Open a PostgreSQL connection get/set/reset_typecast – Control the global typecast functions Module constants Errors raised by this module Connection – The connection object close – close the connection commit – commit the connection rollback – roll back the connection cursor – retur...
csv_save_dir= r'D:/DataWorkspace/data/20121024_csv'txt_dir= r'D:/DataWorkspace/data/20121024'#TXT --> CSV # # # #txt2csv(txt_dir, csv_save_dir)#connection the databaseconn = psycopg2.connect(database="beijing", user="jiangshan", password="jiangshan", host="localhost", port="5432...