معنی definer's rights procedure در اینجا چیه

Question

At run time, Oracle Database checks whether the privileges of the owner of a definer’s

rights stored procedure allow access to that procedure’s referenced objects, before the

procedure is executed. If a necessary privilege on a referenced object was revoked

from the owner of a definer's rights procedure, then the procedure cannot be run by

the owner or any other user.

 متن در مورد امنیت در پایگاه داده اوراکله