oracle 参考

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create or replace function fun_try(v_name varchar,v_outname out varchar)
return varchar2 is Result varchar2(200);
begin
  select smenuname,smenuname into Result,v_outname from sm_menus where smenucode = ‘GL01‘;
  v_outname :=Result;
   return(Result);
end fun_try;

create or replace function fun_try(v_name varchar)
return varchar2 is Result varchar2(200);
begin
  select smenuname into Result from sm_menus where smenucode = ‘GL01‘;
  --v_outname :=Result;
  return(Result);
end fun_try;

select fun_try(‘1‘) from dual

begin
var v_outname varchar2(20)
var dname varchar2(20)
exec :dname:=fun_try(‘SCOTT‘,:v_outname)
  print(:v_outname)
 end;

oracle 参考

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原文地址：http://www.cnblogs.com/yinxingyeye/p/5463332.html