SQL & PL/SQL

Hello Good Moring All,

Could some body please guide me

I need to create a function, which takes orderNo parameter and gives eft_status column value  for min(Last_update_date)

for ex, I have a table called TN_Edge which has column OrderNo, eft_status, Last_update_date, so need to return the eft_status for the order number on min(last_update_Date)

Please Help me,

Thank you in Advance,

Asita