Database Resident Connection Pooling is a new feature of Oracle Database 11g. It is useful for short lived scripts such as typically used by web applications. It allows the number of connections to be scaled as
pip install oracledb 官方文档:https://python-oracledb.readthedocs.io/en/latest/user_guide/installation.html 2. oracledb使用 importoracledb config = {'user':'system','dsn':'127.0.0.1:1521/orcl','password':'123456'}withoracledb.connect(**config)asconnection:withconnection.cursor()ascursor: cu...
表或视图不存在以下是https://www.geeksforgeeks.org/oracle-database-connection-in-python/amp/的示例...
# 方式一:importcx_Oracle# 填入下载下来的Oracle客户端解压后的路径cx_Oracle.init_oracle_client(lib_dir=r"C:\oracle\instantclient_19_11") 连接示例 # query.pyimportcx_Oracle# Establish the database connectionconnection = cx_Oracle.connect(user="username", password="password", dsn="localhost:1521...
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import cx_Oracle #连接数据库 db = cx_Oracle.connect('scott/scott@localhost:1521/orcl') #打开游标 cur = db.cursor() #执行SQL sql = " select sysdate from dual" cur.execute(sql) data = cur.fetchone() print('Database time:%s' % data) #提交、关闭游标 cur.close() db.close() ...
except cx_Oracle.DatabaseError as e: print("Problem connecting to Oracle", e) finally: # Close connection cursor.close() con.close() 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20.
As of mid-September 2021, the latest stable (“documentation”) release of Django, which is version 3.2, supported Oracle Database 12.2 and newer. Django requires thecx_OraclePython driver version 6.0 or higher to interact with the database. You can install the latest release ofcx_Oracleusing...
return connection def get_df(dsn_tns): try: c = connectToOracle(dsn_tns, config.username, config.password) df = pd.read_sql(config.stmt, con=c) return df except cx_Oracle.DatabaseError as ex: os._exit(1) c.close() if __name__ == "__main__": ...
import cx_Oracle userName="ygss" password="ygss" with cx_Oracle.connect(userName, password, "192.168.101.171/oggspdb",encoding="UTF-8") as connection: cursor = connection.cursor() cursor.execute("insert into test_python values (:1, :2)",(1,'python')) connection.commit() 然后执行该脚本...