sqldeveloper.sh connection to the server

It is a follow-up/continuation of dbstart and echo $ORACLE_BASE


Now try to connect customer sqldeveloper to the server that is running.

I watched ORA-12505, TNS:listener does not currently of SID given in connect with but it is on Windows and I am on RHEL.

I put the following information but the error "failed - Test Failed: listener refused the connection with the following error: ORA-12505, TNS:listener does not know currently of SID given in connect descriptor".

Screenshot attached.

Where can I get the missing info?

Thank you.

[oracle@RH6 bin] $ hostname

RH6.sndlt

[oracle@RH6 bin] $ cat/etc/hosts

10.200.100.224 RH6.sndlt

127.0.0.1 RH6.sndlt

127.0.0.1 localhost localhost.localdomain localhost4 localhost4.localdomain4

: 1 localhost localhost.localdomain localhost6 localhost6.localdomain6

[oracle@RH6 bin] $

sqldeveloper-sh error.JPG

SN L says:

Yep, I already have the web search and it is connect.

But I do not understand how they work.

So I guess I installed with TNS and not XE SID,'re talking you about. I'm a newb then to Oracle SQL.

Thank you!

Your mistake is almost identical in cause and the solution to this

In SQL Dev, if you specify a string of ' basic' connection, Dev SQL uses the information that you have provided to build the connection string used to route the request to the specified server and port, and then specify the SID or the SERVICE that is requested of the listener.  Of course the specified host must be accessible over the network and it must be a listener on this host, listening on the specified port, and the listener must have knowledge of the SID or service requested.

If you specify a TNS connection string, what you specify is the name of network defined in $ORACLE_HOME/network/admin/tnsnames.ora service.  This entry defines the host, port, and SID name or SERVICE.

And it is best to always use SERVICE instead of SID.

In addition to the link above, you should read the other articles in the same blog related TNS.

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