Oracle Pl / SQL：如何实现指向内存中记录类型的指针

declare
  c pkg_company.typ_company;
  e pkg_employee.typ_employee;
begin
  EntityAccess.GetCompany(12345,c);

  for e in (select employeeid from employee where companyid= c.companyid)
  loop

    e := pkg_employee.get(c.companyid,c); -- c passed by reference in out nocopy
                                            -- and c.companyid stored inside e.

    pkg_employee.process(e);  -- No need to pass company,but inside process() 
                              -- method you need to call 
                              -- EntityAccess.GetCompany(e.companyid,var_c)
                              -- where var_c is company object variable.

  end loop;  
end;

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