摘要: ##if-else运用 declare v_num number(8); begin v_num :=&n; if v_num>0 and v_num<100 then dbms_output.put_line('工薪阶级'); elsif v_num between 100 and 200 the 阅读全文
posted @ 2018-05-27 18:18 LegendQi 阅读(4227) 评论(0) 推荐(0)