Deepak, One quick thing you can do to determine if it is SE or EE is run rman with multiple channel allocations. Oracle's SE will throw error if >1 channels are allocated. i.e. - ============================================================= RMAN-06908: WARNING: operation will not run in parallel on the allocated channels RMAN-06909: WARNING: parallelism require Enterprise Edition ============================================================= Thanks, Rajeev On Wed, Jul 28, 2010 at 5:17 AM, DBA Deepak <oracle.tutorials@xxxxxxxxx>wrote: > Gurus, > > Need to know whether Oracle Standard Edition ONE (OSE1) is installed or > not. Is there any way to find it out? > > V$VERSION could not provide this information. > > -- > Regards, > > Deepak > Oracle DBA >