How to Change/View Applet Windows Title in Oracle EBS

System Administrator responsibility and navigate to Profile > System, search for the profile name "Site Name", 

To see the value what was set,

SQL :

SELECT v.profile_option_value   FROM apps.fnd_profile_option_values v, apps.fnd_profile_options n  WHERE v.profile_option_id = n.profile_option_id AND n.profile_option_name LIKE 'SITENAME%'

To see database creation date, 

SQL

 SELECT created

from V$DATABASE;