📅  最后修改于: 2022-03-11 15:04:58.149000             🧑  作者: Mango
DECLARE
count number(2) := 10;
BEGIN
FOR count in 10..20 (FOR count in REVERSE 10..20)
LOOP
dbms_output.put_line("COUNT : " || count);
END LOOP;
END;
-- FOR count in 10..20
-- it will print value from 10 to 20
-- FOR count in REVERSE 10..20
-- it will print value from 20 to 10