An Oracle session is not the same as a SQL*Plus session running on the OS. Did/can you verify the session is still active in that instance after that command is issued? rr ________________________________ From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On Behalf Of Roger Xu Sent: Tuesday, September 19, 2006 1:10 PM To: Oracle-L@Freelists. Org (E-mail) Subject: alter database recover managed standby database disconnect from session; Hi List, I am following http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96653/crea te_ps.htm <http://download-west.oracle.com/docs/cd/B10501_01/server.920/a96653/cre ate_ps.htm> to create a simple physical standby database. SQL> startup nomount; ORACLE instance started. Total System Global Area 420480856 bytes Fixed Size 730968 bytes Variable Size 117440512 bytes Database Buffers 301989888 bytes Redo Buffers 319488 bytes SQL> alter database mount standby database; Database altered. SQL> alter database recover managed standby database disconnect from session; Database altered. SQL> Why the prompt returns? I thought "disconnect from session" will kill the session? Thanks, Roger This e-mail is intended solely for the person or entity to which it is addressed and may contain confidential and/or privileged information. Any review, dissemination, copying, printing or other use o ____________________________________________________________________ This email has been scanned for all viruses by the MessageLabs Email Security System. This electronic message transmission is a PRIVATE communication which contains information which may be confidential or privileged. The information is intended to be for the use of the individual or entity named above. If you are not the intended recipient, please be aware that any disclosure, copying, distribution or use of the contents of this information is prohibited. Please notify the sender of the delivery error by replying to this message, or notify us by telephone (877-633-2436, ext. 0), and then delete it from your system.