Let's say I have a Oracle database. I have a username = x, password = y, database = z. Also I know the port = a, SID = b, Hostname = c.

So how do I need to connect correctly? I used many options like:

sqlplus x/y@'(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=c)(PORT=a))(CONNECT_DATA=(SID=z)(SERVER=DEDICATED)))'

sqlplus (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=c)(PORT=a))(CONNECT_DATA=(SID=b)))

Submitting these command lines usually gives me back error messages like:

ORA-12560: TNS:protocol adapter error
ORA-12514: TNS:listener does not currently know of service

Many thanks in advance!!

Let's say I have an Oracle database. I have a username = x, password = y, database = z, port = a, SID = b, and Hostname = c.

So, how do I connect correctly? I used many options like:

sqlplus x/y@'(DESCRIPTION=(ADDRESS_LIST=(ADDRESS=(PROTOCOL=TCP)(HOST=c)(PORT=a))(CONNECT_DATA=(SID=z)(SERVER=DEDICATED)))'

sqlplus (DESCRIPTION=(ADDRESS=(PROTOCOL=TCP)(HOST=c)(PORT=a))(CONNECT_DATA=(SID=b)))

But they usually give me the following errors:

ORA-12560: TNS:protocol adapter error
ORA-12514: TNS:listener does not currently know of service