AWS RDS: 5 Must-Know Actions for Oracle DBAs

Managing Oracle on AWS has some twists. Here are five daily DBA activities that have changed on AWS:

Kill Sessions:

begin
rdsadmin.rdsadmin_util.kill(
sid => &sid,
serial => &serial,
method => 'IMMEDIATE');
end;
/

Flush shared_pool or buffer_cache:

exec rdsadmin.rdsadmin_util.flush_shared_pool;
exec rdsadmin.rdsadmin_util.flush_buffer_cache;

Perform RMAN Operations:

BEGIN
 rdsadmin.rdsadmin_rman_util.validate_database(
 p_validation_type => 'PHYSICAL+LOGICAL',
 p_parallel => 4,
 p_section_size_mb => 10,
 p_rman_to_dbms_output => FALSE);
END;
/

Grant Privileges to SYS Objects

# Grant

begin
    rdsadmin.rdsadmin_util.grant_sys_object(
        p_obj_name  => 'V_$SESSION',
        p_grantee   => 'PYTHIAN',
        p_privilege => 'SELECT');
end;
/

# Grant with Grant Option

begin
    rdsadmin.rdsadmin_util.grant_sys_object(
        p_obj_name     => 'V_$SESSION',
        p_grantee      => 'PYTHIAN',
        p_privilege    => 'SELECT',
        p_grant_option => true);
end;
/

# Revoke

begin
    rdsadmin.rdsadmin_util.revoke_sys_object(
        p_obj_name  => 'V_$SESSION',
        p_revokee   => 'PYTHIAN',
        p_privilege => 'SELECT');
end;
/

Create Custom Functions to Verify Passwords:

begin
    rdsadmin.rdsadmin_password_verify.create_verify_function(
        p_verify_function_name => 'CUSTOM_PASSWORD_FUNCTION', 
        p_min_length           => 12, 
        p_min_uppercase        => 2, 
        p_min_digits           => 1, 
        p_min_special          => 1,
        p_disallow_at_sign     => true);
end;
/

If you want to double-check the generated code, here’s simple trick: Check on DBA_SOURCE:

col text format a150
select TEXT  from DBA_SOURCE 
where OWNER = 'SYS' and NAME = 'CUSTOM_PASSWORD_FUNCTION' order by LINE;

I hope this helps!