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1. ÔÚoracle Ï´´½¨±í
     t_user(
        ID varchar(20),
        Name varchar(20)
       )
 2.  Ìí¼ÓÊý¾Ý 
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Oracle Óαê Cursor ʹÓÃ

create or replace procedure getok
as
cursor mycur is select ids,name from aaa where name not in (select names from ok);
vempno aaa.ids%type;
vename aaa.name%type;
begin
open mycur;
loop
fetch mycur into vempno,vename;
exit when mycur%notfound;
if mycur%found then
    insert ......

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