我用以下两种方法解决:1.select a/case when b=0 then 1 else b end as c; 2.select case when b=0 then null else a/b end;(推荐) 相关文章: 2021-10-03 2021-09-15 2022-02-26 2021-05-24 2021-06-14 2022-12-23 2022-12-23 2022-12-23