Trigger based on sysdate

Question

I have a table

Table Schema:

CREATE TABLE CHARGES 
(
    total NUMBER(30),
    admitdate TIMESTAMP(6),
    dischargedate TIMESTAMP(30)
)

<

Answer 1

It would be easier to maintain and reason about if you can change approach and store only static values.And do calculations using sysdate only when needed, like in sql output when asked for it.