摘要: 方法1:使用isnull替换select keyId,isnull(info,0) as info from test 方法2:使用case when 替换select keyId,case when info is null then 0 else info end as info from te 阅读全文
posted @ 2022-07-21 16:20 向前追起 阅读(9589) 评论(0) 推荐(0) 编辑