View Oracle hidden parameters

Hidden parameters in Oracle always start with an underscore. It is not possible for the DBA to see the hidden parameters with the SQL*Plus command « show parameter » or by querying v$parameter. Unless the hidden parameter is explicitly set in spfile/init.ora file. How Can I list all Hidden Parameters set in The database? As they are […]

Lock, expire and delete Linux account

Sometimes the Oracle DBA has to I delete a Unix user account under Linux operating systems including the home directory. How do I expire, delete or remove a user’s access from my server? Deleting user account in Linux is an administrative task to remove user login credentials from system configuration files such as /etc/passwd, /etc/shadow […]