The scenario looks like this: I connected to the Sun server using a telnet client and got connected to the server. After this, I issued a command at the prompt like this:
$ sudo su - oracle password
It got connected as Oracle home. When I issued the command "svrmgrl," I got the svrmgr prompt. The I typed "connect as SYSDBA." It is connected, but the main problem is that when I issue a SQL statement, it's saying "Oracle Not Available." But, there are multiple instances running. I also exported oracle_sid and oracle_home, but it didn't help. Please help me. How do I connect to the database?
Make sure you set ORACLE_SID and not oracle_sid, remember that Unix and Linux are case sensitive. In the UNIX/LINUX universe ORACLE_SID and ORACE_HOME are upper case.
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