select xm,sex,
(case sex
when '男' then '1'
when '女' then '2' end
) as xb,
birthday
from student
LYL-1314 2016-08-09 15:15 原文
select xm,sex,
(case sex
when '男' then '1'
when '女' then '2' end
) as xb,
birthday
from student