select xfjid,substr(max(sys_connect_by_path(jsbmmc,';')),2)
from (
select xfjid,jsbmmc,row_number() over(partition by xfjid order by xfjid) cs from xf_ywbl where fsfs='1' and xfjid = '41642'
) start with cs=1 connect by cs = prior cs+1
and xfjid = prior xfjid
group by xfjid
类似这个样子？？
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