except cx_Oracle.DatabaseError as e: print("Problem in DB operation", e) finally: # close db connections cursor.close() con.close() 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22.
con = cx_Oracle.connect('pythonhol/welcome@127.0.0.1/orcl') print con.version con.close() 为了提供用于访问 Oracle 数据库的 API,导入了 cx_Oracle 模块。可以用这种方法在 Python 脚本中包括多个内置的和第三方模块。 用户名“pythonhol”、口令“welcome”和连接字符串传递给 connect() 方法。在本示例中...
import oracledb import os un = os.environ.get('PYTHON_USERNAME') pw = os.environ.get('PYTHON_PASSWORD') cs = os.environ.get('PYTHON_CONNECTSTRING') with oracledb.connect(user=un, password=pw, dsn=cs) as connection: with connection.cursor() as cursor: sql = """select 'dalong' from...
oracledb.init_oracle_client( lib_dir=r'C:\Users\zheng.jianhang\AppData\Local\Programs\Python\Python310\instantclient_21_6') class alam_oracle: def __init__(self): # connection = oracledb.connect(sample_env.get_main_connect_string()) self.con = oracledb.connect(source_db_username, sourc...
方法一:用户名、密码和监听分开写 import cx_Oracle db=cx_Oracle.connect('username/password@host:port/orcl') db.close() 方法二:用户名、密码和监听写在一起 import cx_Oracle db=cx_Oracle.connect('username','password','host:1521/orcl') db.close() ...
importcx_Oracle#简单连接dbconn = cx_Oracle.connect(user='myuser',password='mypsw',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...
从数据库直接读取小于1GB的CLOBs and BLOBs的格式作为字符串,这比数据流方式更快。 这里用到了connection.outputtypehandler: def OutputTypeHandler(cursor, name, defaultType, size, precision, scale): if defaultType == cx_Oracle.DB_TYPE_CLOB: return cursor.var(cx_Oracle.DB_TYPE_LO...
connection = cx_Oracle.connect(db_connect_string.getConnectString()) cursor = connection.cursor() connection.autocommit = True SDO_GEOMETRY is an Oracle object type. And some fields of SDO_GEOMETRY, such as SDO_ELEM_INFO and SDO_ORDINATES, are object types too. The cx_Oracle module uses ...
{ "name": "OracleLinkedService", "properties": { "type": "Oracle", "typeProperties": { "connectionString": "host=oraclesample.com;port=1521;servicename=db1" }, "connectVia": { "referenceName": "<name of Integration Runtime>", "type": "IntegrationRuntimeReference" } } } 使用Easy...
! python -m pip install oracledb --upgrade import oracledb import os with oracledb.connect(user="uname", password="pwd", dsn="localhost/servicename") as connection: with connection.cursor() as cursor: sql = """select sysdate from dual""" ...