Access control table and select any table privs
Can we restrict access to a table of other users that have select any table privs? I think of the CAE, but not familiar with it. Not sure VPD can ensure the owner have access fulll and others not. Any idea?-Denis
>
Can we restrict access to a table of other users that have select any table privs? I think of the CAE, but not familiar with it. Not sure VPD can ensure the owner have access fulll and others not. Any idea?
>
Yes it is possible with the SRM. Users with SELECT ANY TABLE would see no lines with the following method, which assumes that the owner of the table is HR:
connect system/pwofsystem
create or replace function only_owner (schema varchar2, tab varchar2) return varchar2 is
begin
return 'user=''HR'' ';
end;
/
BEGIN
dbms_rls.add_policy(object_schema => 'hr',
object_name => 'departments',
policy_name => 'hr_policy',
function_schema =>'system',
policy_function => 'only_owner'
);
END;
/
Only the DB HR user is now able to see the rows in the table.
And sys, which has the privilege of POLICE TAX-FREE ACCESS.
Kind regards
Uwe
http://uhesse.WordPress.com
Tags: Database
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--------------------
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