select sfzh,WMSYS.WM_CONCAT(dwmc) dwmc
from tb_yggzb
group by sfzh order by sfzh
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版本为12c见:https://www.cnblogs.com/mingjing/p/8980059.html
-------------------------------------- 版本为12c见:https://www.cnblogs.com/mingjing/p/8980059.html
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