I believe you can try to create a pipe with the same name and it will fail because it already exists. Ruth -----Original Message----- From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Freeman, Donald Sent: Monday, January 10, 2005 12:47 PM To: Oracle-L (E-mail) Subject: Verify Piipe Exists I am trying to install a vendor application with an Oracle repository = and not making much progress. The install has failed and the cleanup = requires that the pipe be purged and removed or the database be bounced. = I've been through this four times since Friday afternoon. I can't find = any way to view whether or not a pipe exists. I know its not a = conventional database object and that its some sort of memory structure. = Is there a way to do this? Where do I look? This is what they gave me to remove the pipe. declare ret number;=20 begin=20 dbms_pipe.purge('usernamePIPE_MASTER');=20 ret:=3Ddbms_pipe.remove_pipe(user||'pipe_master1');=20 end;=20 Don Freeman Database Administrator 1 Pennsylvania Dept of Health Bureau of Information Technology -- //www.freelists.org/webpage/oracle-l -- //www.freelists.org/webpage/oracle-l