I'd like to know what is my RAC cluster name using SQL query. I've found out that it can be retrieved using Oracle tool cemutlo -n or just ocrdump (see http://www.br8dba.com/tag/how-to-display-oracle-cluster-name/). However, it's not possible in this case, because on target environment, I can only execute SQL queries and I don't have access to DBMS installation directory.
I've found out (here https://community.oracle.com/thread/2510788?tstart=0) that it can be done using some unusual queries:
SELECT a.ID, a.CLUSTER_ID FROM TABLE(DBMS_DATA_MINING.GET_MODEL_DETAILS_OC('CLUS_OC_1_15',NULL,NULL,1,0,0)) a
select * from table(dbms_data_mining.get_model_details_km('CLUS_KM_1_25'))
However, they don't work on my environment and I'm unable to create new model.
Most preferably, I'd just read this from some kind of v$/gv$ tables - but I can't find it there. I guess that's because cluster is far below DBMS.
Finally, I found out that there is no way to do that :(.