关于判断,我哪里错了?
select a.user_no,
a.user_name,
a.office_no,
b.office_name,
a.password,
a.user_post,
a.user_post_name,
a.sex,
sex_name=((case when a.sex = '0' then '男'),
(case when a.sex = '1' then '女')),
from user_info a,office_info b
where a.office_no = b.office_no