We have an application running locally where we're experiencing the following error: ORA-12514: TNS:listener does not currently know of service requested in connect descriptor I've tested the...

I have Oracle 11 running on a Windows server and I'm logged onto the same server trying to use SQL Plus. When I try to connect I get a ORA-12154 even though TNSPING and various other diagnostics lo...

I am trying to connect to oracle 11g installed on Linux EL 5 and and getting the following error SQL> connect sys/password@ud06 as sysdba ERROR: ORA-12514: TNS:listener does not currently know ...

I installed Oracle 11g r2 fine, had 2 databases (se3 and mydb, both have db_domain .orcl i.e. mydb.orcl and se3.orcl) running on it fine till yesterday. but suddenly im getting ORA-12514 error (TNS...

I'm trying to connect to an Oracle database through code (Ruby/DBI, but that's irrelevant) using an EasyConnect connection string. All of the Oracle documentation says to specify the connection str...

I'm trying to connect to an Oracle 10g database using the built in Microsoft ODBC for Oracle driver. I want to use an dnsless connection, so I grab my connection string from www.connectionstrings.c...