要从最大值到最小值排序,请使用ORDERBYlength()。让我们首先创建一个表-
create table DemoTable -> ( -> Price varchar(20) -> );使用插入命令在表中插入一些记录-
insert into DemoTable values(80); insert into DemoTable values(800); insert into DemoTable values(108); insert into DemoTable values(765);使用select语句显示表中的所有记录-
select *from DemoTable;这将产生以下输出-
+-------+ | Price | +-------+ | 80 | | 800 | | 108 | | 765 | +-------+ 4 rows in set (0.00 sec)这是在MySQL中将最大到最小排序的查询-
select *from DemoTable -> order by length(Price) DESC,Price DESC;这将产生以下输出-
+-------+ | Price | +-------+ | 800 | | 765 | | 108 | | 80 | +-------+ 4 rows in set (0.00 sec)