⟩ Is it possible that the REDEFINES clause has different picture clauses compared to the one it redefined?
Yes, we can have different PIC clauses.
E.g.:
05 REGULAR-EMPLOYEES
10 LOCATION PICTURE A(8)
10 GRADE PICTURE X(4)
10 SEMI-MONTHLY-PAY PICTURE 9999V99
10 WEEKLY-PAY REDEFINES SEMI-MONTHLY-PAY
PICTURE 999V999
05 TEMPORARY-EMPLOYEE REDEFINES REGULAR-EMPLOYEE
10 LOCATION PICTURE A(8)
10 FILLER PICTURE X(6)
10 HOURLY-PAY PICTURE 99V99