摘要: ;with t as (select 1 id union all select 2 union all select 3 union all select null) select case when 5 in (select id from t) then 1 when 5 not in (se 阅读全文
posted @ 2023-11-29 21:03 z.seven 阅读(34) 评论(0) 推荐(0) 编辑