wm_concat()
这个函数可以把结果合并成一行用逗号隔开
select wmsys.wm_concat(SF) as TOP3 from (
select SF, sum(ZZTS) as ZTS
from DM_YYZZSJTJ_YPZZB
group by SF
order by ZTS
)
where rownum<=3
参考链接:https://www.cnblogs.com/Kconnie/p/5931643.html
wm_concat()
这个函数可以把结果合并成一行用逗号隔开
select wmsys.wm_concat(SF) as TOP3 from (
select SF, sum(ZZTS) as ZTS
from DM_YYZZSJTJ_YPZZB
group by SF
order by ZTS
)
where rownum<=3
参考链接:https://www.cnblogs.com/Kconnie/p/5931643.html