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declare cursor readflow_cur is select * from od_readflow t where t.flowid is null; l_emp od_readflow%rowtype; begin open readflow_cur; loop fetch readflow_cur into l_emp; exit when readflow_cur%notfound; update od_readflow r set r.flowid = (select d.flow_id from od_docinfo d where d.bill_id = l_emp.flowinstanceid) where r.readid = l_emp.readid; end loop; commit; close readflow_cur; end;
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原文地址:http://www.cnblogs.com/fashflying/p/5949988.html