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Chapter 11 Oracle Fine Grained Auditing

true, the corresponding handler functions are triggered. This may cause some confusion in handling the policies, but in most cases this provides flexibility to the setup. The individual policies can be enabled or disabled based on requirements, without affecting the others.

Managing Policies

All the administrative operations for policies are done using procedures defined in the supplied package dbms_fga. Here are the common operations.

Dropping Policies

The policies can be dropped by the following command.

begin
   dbms_fga.drop_policy (
      object_schema=>'CLAIM_SCHEMA',
      object_name=>'CLAIMS',
      policy_name=>'CLAIM_AMOUNT');
end;

Potential Problem Due To Bug

You should be aware of a bug 2713401 that prevents the policy from being dropped. In this bug, attempts to drop the policy using the above statement will fail with “ORA-28102: policy does not exist” error message. Remember, this is a bug, so it might have been fixed in later releases. If the bug affects your particular release, please read on in this section; otherwise, please skip it.

In order to correct the problem, the best approach is to call Oracle Support and have them address the problem. In development systems, however, here is a solution you could try. We urge you to strongly consider against running it on production, as it is unsupported by Oracle, but it seems to work and can be attempted in development. The authors do not assume any
 

The above text is an excerpt from:

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