How to compare the content of memory parameter and spfile parameters

### Compare static (pfile) and dynamic (spfile) parameter setting:

set pages 100
set lines 400
col init_value format a36
col spfile_value format a36
col name format a38
SELECT P.NAME, P.VALUE INIT_VALUE, S.VALUE SPFILE_VALUE 
FROM   V$PARAMETER P 
    JOIN V$SPPARAMETER S ON P.NAME=S.NAME 
    WHERE P.ISBASIC='TRUE' 
    ORDER BY NAME;