以scott用户的emp表为示例

　　----增加策略

　　begin

　　DBMS_FGA.ADD_POLICY (

　　object_schema => 'SCOTT',

　　object_name => 'EMP',

　　policy_name => 'mypolicy1',

　　handler_schema => NULL,

　　handler_module => NULL,

　　enable => TRUE,

　　statement_types => 'INSERT, UPDATE,DELETE',

　　audit_column_opts => DBMS_FGA.ANY_COLUMNS);

　　end;

　　----启用策略

　　begin

　　DBMS_FGA.ENABLE_POLICY (

　　object_schema => 'SCOTT',

　　object_name => 'EMP',

　　policy_name => 'mypolicy1',

　　enable => TRUE);

　　end;

　　select * from dba_fga_audit_trail;

　　select * from dba_audit_policies;

　　select db_user,timestamp,sql_text,sql_bind from dba_fga_audit_trail; --审计结果

　　SELECT text FROM dba_Views where view_name=upper('DBA_FGA_AUDIT_TRAIL'); --查看记录

　　----删除策略

　　begin

　　dbms_fga.drop_policy (

　　object_schema=>'SCOTT',

　　object_name=>'EMP',

　　policy_name=>'mypolicy1'

　　);

　　end;