importcx_Oracle if__name__ =='__main__': # 连接数据库 dsn = cx_Oracle.makedsn('xxx',1521, service_name='xxx') connection = cx_Oracle.connect(user='system', password='xxxx', dsn=dsn) cursor = connection.cursor() # 执行查询 query =""" SELECT TO_CHAR(ADDTIME, 'YYYY') AS YEAR...
PING[ARC1]: Heartbeat failed to connect tostandby 'dave_st'. Error is 1034. Fri Mar 29 08:06:02 2013 Error 1034 received logging on to thestandby PING[ARC1]: Heartbeat failed to connect tostandby 'dave_st'. Error is 1034. Fri Mar 29 08:07:05 2013 Error 1034 received logging on...
https://www.mssqltips.com/sqlservertip/4396/creating-a-sql-server-2014-linked-server-for-an-oracle-11g-database/My situation 2 W2012R2 servers, 1 with SQL2016dev and 1 with Ora11g as mentioned on the URL. On the SQL server I installed as well the ODAC122010 x64. So the provider Or...
This article explains how to connect to Oracle using Easy Connect (EZCONNECT). This method is the fastest way to connect to Oracle databases and will work with all operating systems.
Oracle 11g Data Guard Error 16143 Heartbeat failed to connect to standby 处理方法 一.背景说明 前段时间一朋友在生产库上误操作,本来他是打算重启一下DG环境,结果在备库命令执行错误。 本应该执行 SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE CANCEL;...
忍不了了，必须要搞清楚 oracle 中start with ... connect by prior 子句的用法,每次都会忘记，...
Uninstalled the existing oracle clients i had oracle 11g done before 1) Installed the oracle client for 10 g 2) Installed the ODP.Net drivers for 10g 3) Test through the SQL Developer (It worked) 4) In Visual Studio in the connection string i need to give the total connect identifier ,...
Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options SQL> col empno format a18 SQL> set lines 300 SQL> set pages 30
Earn a 50% discount on the DP-600 certification exam by completing the Fabric 30 Days to Learn It challenge. Power BI forums Forums Get Help with Power BI Desktop PowerBi desktop doesn't connect oracle 11g or 12g when use:server_example:1525/service_name_example. ...
Oracle Cloud Infrastructure - Database Service - Version N/A and laterOracle Database Backup Service - Version N/A and laterInformation in this document applies to any platform.SymptomsJust installed and configured 11gR2 Grid Infrastructure and database, sqlplus can not connect to the new 11.2 ...