Cursor closes at COMMIT unless you use the WITH HOLD option on cursor.

Cursor closes at COMMIT unless you use the WITH HOLD option on cursor.

Example
OPEN UPDATE_CURSOR WITH HOLD;

-- Declare cursor
FOR vl AS
c1 CURSOR with hold FOR
 SELECT customer_id as id,full_name from customer where full_name like 'test%'
DO
   update customer set status ='A' where customer_id = id;
   COMMIT;   <======= Can commit inside Loop if you choose WITH HOLD 

END FOR;
COMMIT;

ref ,
ibm