dsn_str=cx_Oracle.makedsn(ip, port, instance) con=cx_Oracle.connect(user=username, password=password, dsn=dsn_str) cursor=con.cursor() cursor.execute(drop_table) cursor.execute(create_table) query_string="INSERT INTO dbaastable(test_value) VALUES ('"+insert_value+"')" # print query_stri...
connect('example.db') # 创建游标对象 cursor = conn.cursor() # 执行SQL查询 cursor.execute('SELECT * FROM table_name') # 获取查询结果 results = cursor.fetchall() # 关闭连接 conn.close() MySQL Connector和PyMySQL:连接MySQL数据库。 MySQL Connector和PyMySQL是两个常用于连接MySQL数据库的Python...
cur.setinputsizes(blobdoc=cx_Oracle.BLOB) th = AsyncBlobInsert(cur, input) th.start() 在上述代码中,注意 threaded 属性的使用,该属性作为参数传递到 cx_Oracle.connect 方法。通过将其设置为 true,您指示 Oracle 数据库使用 OCI_THREADED 模式(又称为 threaded 模式),从而指明应用程序正在多线程环境中运行。
dns='127.0.0.1\sname')#使用默认端口1521dbconn = cx_Oracle.connect(user='myuser',password='mypsw',dns='127.0.0.1:1521\sname')#指定端口#通过配置好的dns连接#方法1:通过封装的方法配置dhsdns=cx_Oracle.makedsn("127.0.0.1", 1521, service_name="sname")...
Using your favorite text editor, create a new Python fileexample.pyin a directory of your choice. It should contain the following code. Make sure the indentation is the same as shown: Copied to Clipboard import getpass import oracledb pw = getpass.getpass("Enter password: ") connection = ...
conn=sqlite3.connect('example.db')# 创建游标对象 cursor=conn.cursor()# 执行SQL语句 cursor.execute('''CREATETABLEIFNOTEXISTSusers(idINTEGERPRIMARYKEY,nameTEXT,ageINTEGER)''')# 插入数据 cursor.execute("INSERT INTO users (name, age) VALUES (?, ?)",('Alice',30))# 提交事务 ...
oracledb.version: 1.4.2 Oracle Database 19c Enterprise Edition Release 19.0.0.0.0 Is it an error or a hang or a crash? Error. What error(s) or behavior you are seeing? I'm able to execute select sql on one of my database, but on the same server, I'm not able to execute the...
Python连接数据库可以使用的包包括:sqlite3、pymysql、psycopg2、sqlalchemy、cx_Oracle、pyodbc、mysql-connector-python。其中,sqlalchemy是一个非常流行的ORM库,它不仅支持多种数据库,还提供了便捷的查询接口和丰富的功能,极大地简化了数据库操作。SQLAlchemy的强大之处在于它的ORM(对象关系映射)功能,这意味着开发者可...
Python测试连接Oracle数据库 1. 测试连接Oracle数据库 (pyOracle) [python@PYMY-DDB pyOracle]$ cat connoracle.py #!/usr/bin/python#coding=utf8#导入cx_Oracle模块import cx_Oracle#创建到Oracle数据库的连接并赋给变量db=cx_Oracle.connect('scott/tiger@192.168.117.100:1521/ORCL')#创建游标并赋给变量cur...
(or later) is required, depending on the Oracle Client library version. Oracle Database's standard client-server version interoperability allows connection to both older and newer databases. For example when python-oracledb uses Oracle Client 19c libraries, then it can connect to Oracle Database ...