oracle for loop example

Example 1: oracle for loop

DECLARE
    i NUMBER;
BEGIN
    FOR i IN 1..5
        LOOP
            dbms_output.PUT_LINE('i value : ' || i);
        END LOOP;
END;

Example 2: for plsql

FOR contatore IN lower bound..upper bound
LOOP 
	...
END LOOP;

Example 3: for loop oracle

-- FOR LOOP --------------
  FOR loop_counter IN [REVERSE] lowest_number..highest_number
  LOOP
     {...statements...}
  END LOOP;
  
-- FOR LOOP (MODERN) --------------
  FOR record_index in cursor_name
  LOOP
  {...statements...}
  END LOOP;
  
-- CURSOR LOOP (OLD STYLE) --------------
	OPEN c_customers; 
    LOOP 
    	FETCH c_customers into c_rowtype_var; 
    	EXIT WHEN c_customers%notfound; 
    	{...statements...}; 
    END LOOP;