select decode(wno.state,
0, '0 = Pending in mailer queue',
1, '1 = Pending in mailer queue',
2, '2 = Sent by mailer on '||to_char(DEQ_TIME),
3, '3 = Exception', 4,'4 = Wait', to_char(state)) State,
to_char(DEQ_TIME),
wno.user_data.TEXT_VC
from wf_notification_out wno
where corrid='APPS:ALR'
and upper(wno.user_data.TEXT_VC) like '%Subject_of_Alert_Email%';