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SQL语句,在同一张表中把三个条件查询的三个结果组合到一起,并加起来!!

2025-03-15 02:13:14

推荐回答（1个）

回答1：

select sum(PICTURE)
from (
select count(PICTURE)*5 PICTURE from "DB2ADMIN"."C_NEWS" where PICTURE is not null
union all
select count(*)*5 DETAILS from "DB2ADMIN"."C_NEWS" where length(DETAILS)<1000 and="">0
union all
select count(*)*10 DETAILS from "DB2ADMIN"."C_NEWS" where length(DETAILS)>1000
) a

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