ce b where a.inst_id=b.inst_id;
NAME? OPEN_MODE? ? ? ? INSTANCE_NAME
--------- -------------------- ----------------
CRMDB? READ WRITE? ? ? ? crmdb1
CRMDB? READ WRITE? ? ? ? crmdb2
SQL> select * from v$version where rownum=1;
BANNER? ? ? ? ? ? ? CON_ID
---------------------------------------------------------------------------------------------------- ----------
Oracle Database 12c Enterprise Edition Release 12.1.0.2.0 - 64bit Production? ? ? ? ? 0
===end====