需求是要修改Oracle某列表中把这一列中全部的100换成200: update b_nodes a set a.childs=replace((select childs from b_nodes b where b.nodeid=a.nodeid),'100','200') where a.childs>10005 以下为转载http://www.cnblogs.com/BetterWF/archive/2011/12/21/2295937.html谢谢 replace 函数用法如下: re