SELECT CASE 语句 ****** select id ,'sexNo'= case when sex='先生' then 2 when sex='女士' then 3 else 1 end ,age FROM [ comsiterefer] 相关文章： 2022-12-23 2022-12-23 2021-09-27 2021-09-16 2021-06-20 2022-12-23 2021-10-29 2021-09-01