tnsping not working

Solution to Oracle tnsping failure after firewall is enabled on Windows 2008 1. solution:Simply put, the Windows 1521 firewall has blocked the Oracle port. Just create and enable it. Of course, if your listener is another port, open the other ports

Now is the fashion to the highest level, the deployment of this project, good SQL Server threw it (there is a genuine authorized Enterprise Edition, God ... ), every person will boast: "We are on the top of the Oracle Database system! ”。 Look at the

One, Oracle NETconfiguration fileOracle NET is a software layer that supports conversions between different network protocols. Different physical machines can use this software layer to communicate with each other, specifically to enable remote

[ORACLE basics 2] I am not familiar with cross-server table data synchronization in oracle, but I am now scheduled to perform two database tables for Synchronous replication. I don't understand it. I can only start to study and create it. If you

Routine maintenance and troubleshooting of Oracle 11G R2 slave uard 1. for the Forced Logging mode, there are some DDL statements that can avoid writing redo logs by specifying the NOLOGGING clause (the purpose is to increase the speed, which is

Routine maintenance and troubleshooting of Oracle 11G R2 slave uard 1. About the Forced Logging ModeSome DDL statements can avoid writing redo logs by specifying the NOLOGGING clause (the purpose is to increase the speed, which is indeed valid in

1. TNS-00525: insufficient privilege for operation Started with pid=30869Listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=ora11g)(PORT=1521)))Error listening on: (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=EXTPROC1521)))TNS-12555: TNS:permission

1.tns-00525:insufficient Privilege for operation Started with pid=30869 listening on: (Description= (Address= (protocol=tcp) (host=ora11g) (port=1521)) Error Listening on: (Description= (Address= (PROTOCOL=IPC)

First, the host descriptiondbprimary:192.168.1.57 Host name DB1DBSTANDBY:192.168.1.58 Host name DB2Sid:orclSecond, the configuration of TNS, the configuration of the file content:Dbprimary Listener.ora (/db/app/oracle/product/11.2.0/network/admi

The  oracle Dataguard is the Oracle's own data synchronization feature that transfers log files from the original database to the target database and then applies the log files on the target database, keeping the target database synchronized with