importibm_db# 定义连接信息dsn=("DATABASE=your_database_name;""HOSTNAME=your_hostname_or_ip;""PORT=50000;""PROTOCOL=TCPIP;""UID=your_username;""PWD=your_password;")# 创建连接try:conn=ibm_db.connect(dsn,"","")print("数据库连接成功!")exceptExceptionase:print("连接失败:",e) 1. 2....
1. To connect to MariaDB Server using MariaDB Connector/Python, you have to import it first, just as you would any other module: import mariadb 2. Next, establish a database connection with the connect() function. The function takes a series of named arguments specifying your client creden...
conn=create_engine('mysql+pymysql://user:passwd@ip:3306/test',encoding='utf8')jxb_sx_head3.to_sql("jlkj_cs",conn,if_exists='replace',index=False)#单条插入数据 conn=pymysql.connect(host='ip',user="用户名",passwd="密码",db="test")cursor=conn.cursor()cursor.executemany("insert into ...
To connect to Neptune using Python Enter the following to install thegremlinpythonpackage: pip install --usergremlinpython Create a file namedgremlinexample.py, and then open it in a text editor. Copy the following into thegremlinexample.pyfile. Replaceyour-neptune-endpointwith the address of you...
conn= ibm_db.connect(conn_str,"","")print"Connect to %s Succeed!"%(database)returnconnexcept:print"Connect to %s Failed!"%(database)return#db2数据库执行DML语句defsqlDML(sql,db):ifdb :try: stmt=ibm_db.exec_immediate(db, sql)
>>> import MySQLdb >>> conn = MySQLdb.Connect(host='x.x.x.x',user='root',passwd='HUDson888', db='test',charset='utf8') >>> cursor = conn.cursor() >>> sql = "create table user(id int,name varchar(30),password varchar(30))" >>> cursor.execute(sql) # 返回的数字是影响的...
conn = dmPython.connect(user='SYSDBA', password='***', server='localhost', port=51236) cursor = conn.cursor()print('python: conn success!') conn.close()except(dmPython.Error, Exception)aserr:print(err) 执行结果如下: Copy[root@RS1821 pytest]# python py_conn.py python...
(0 = None = never, 1 = default = whenever fetched from the pool, 2 = when a cursor is created, 4 = when a query is executed, 7 = always, and all other bit combinations of these values) The creator function or the connect function of the DB-API 2 compliant database module ...
importsqlite3# 连接到SQLite数据库(假设有一个名为 example.db 的数据库)conn=sqlite3.connect('example.db')# 创建一个游标对象cursor=conn.cursor()# 执行SQL查询语句cursor.execute("SELECT * FROM users")# 检索所有行rows=cursor.fetchall()# 打印每一行forrowinrows:print(row)# 关闭连接conn.close()...
conn = sqlite3.connect('/path/to/database.db') 三、执行SQL查询 一旦连接到DB文件,我们就可以使用execute()方法来执行SQL查询。该方法接受一个字符串参数,即SQL语句。以下是一个执行SQL查询的示例代码: cursor = conn.execute('SELECT * FROM table_name') ...