摘要: create function aa(a int,b int,c int) returns int begin declare max int; set max=a; if max<b then set max=b; end if; if max<c then set max=c; end if; 阅读全文
posted @ 2016-04-19 11:29 尘梦 阅读(124) 评论(0) 推荐(0) 编辑