Fine-grained audit usage

-DBMS_FGA
-ADD_POLICY Procedure
    DBMS_FGA.ADD_POLICY(
       object_schema VARCHAR2,
       object_name VARCHAR2,
       policy_name VARCHAR2,
       audit_condition VARCHAR2,
       audit_column VARCHAR2,
       handler_schema VARCHAR2,
       handler_module VARCHAR2,
       enable BOOLEAN,
       statement_types VARCHAR2,
       audit_trail BINARY_INTEGER IN DEFAULT,
       audit_column_opts BINARY_INTEGER IN DEFAULT);
-DROP_POLICY Procedure
    DBMS_FGA.DROP_POLICY(
       object_schema VARCHAR2,
       object_name VARCHAR2,
       policy_name VARCHAR2 );
-ENABLE_POLICY Procedure
    DBMS_FGA.ENABLE_POLICY(
       object_schema VARCHAR2,
       object_name VARCHAR2,
       policy_name VARCHAR2,
       enable BOOLEAN);
-DISABLE_POLICY Procedure
    DBMS_FGA.DISABLE_POLICY(
       object_schema VARCHAR2,
       object_name VARCHAR2,
       policy_name VARCHAR2 );