求列数据最值
程序代码:
create cursor b1 (m1 n(1)) insert into b1 values (0) insert into b1 values (1) insert into b1 values (2) insert into b1 values (8) insert into b1 values (3) insert into b1 values (4)
求m1中第1,2,3...大的值。
如最大值为8
第2大值为4.....
谢谢!
create cursor b1 (m1 n(1)) insert into b1 values (0) insert into b1 values (1) insert into b1 values (2) insert into b1 values (8) insert into b1 values (3) insert into b1 values (4)
[此贴子已经被作者于2021-9-17 11:25编辑过]
create cursor b1 (m1 c(1)) insert into b1 values ("") insert into b1 values ("1") insert into b1 values ("N") insert into b1 values ("8") insert into b1 values ("M") insert into b1 values ("5")