we have ORACLE database 10GR2 on LINUX server. I found one thing very wield: SQL> select count(username) from v$process; COUNT(USERNAME) --------------- 99 SQL>select count(username) from v$session COUNT(USERNAME) --------------- 16 I check on LINUX system use : %ps -ef | grep DB01 | wc -l 99 anyone know why only 16 session and have 99 processes? -- //www.freelists.org/webpage/oracle-l