Как создавать профайлы?

sqlplus SYSTEM@shared
 
SQL*Plus: RELEASE 10.2.0.1.0 - Production ON Tue Apr 6 20:45:58 2010
 
Copyright (c) 1982, 2005, Oracle.  ALL rights reserved.
 
Enter password: 
 
Connected TO:
Oracle DATABASE 10g Enterprise Edition RELEASE 10.2.0.1.0 - 64bit Production
WITH the Partitioning, OLAP AND Data Mining options
 
SYSTEM@SHARED>CREATE PROFILE some_restrictions limit idle_time 10;
 
PROFILE created.
 
SYSTEM@SHARED>ALTER USER scott PROFILE some_restrictions;
 
USER altered.
 
SYSTEM@SHARED>ALTER SYSTEM SET resource_limit=TRUE scope=both;
 
SYSTEM altered.
 
SYSTEM@SHARED>@conn scott@shared
Enter password: 
scott@SHARED>SELECT SYSTIMESTAMP FROM dual;
 
SYSTIMESTAMP
---------------------------------------------------------------------------
06-APR-10 09.17.21.158686 PM +04:00
 
scott@SHARED>/
SELECT SYSTIMESTAMP FROM dual
*
ERROR AT line 1:
ORA-02396: exceeded maximum idle TIME, please CONNECT again
 
 
scott@SHARED>/
SELECT SYSTIMESTAMP FROM dual
*
ERROR AT line 1:
ORA-01012: NOT logged ON
 
 
scott@SHARED>EXIT
Disconnected FROM Oracle DATABASE 10g Enterprise Edition RELEASE 10.2.0.1.0 - 64bit Production
WITH the Partitioning, OLAP AND Data Mining options
[oracle@serv ~]$ DATE
Tue Apr  6 21:35:12 MSD 2010