Check the db is using pfile ot sp file

Question

i want to check whether my db is start up using pfile or spfile
thus i
show parameter pfile;
no value was shown
then i
show parameter spfile;
no value was shown here also
So am i right to say that oracle automatically use these files in the order:
spfileSID.ora
spfile.ora
initSID.ora
init.ora
cos when i try out,
show parameter db_create_file_dest;
there is a value i think is reflected from my spfile.
But i use SELECT DECODE(value, NULL, 'PFILE', 'SPFILE') "Init File Type"
FROM sys.v_$parameter WHERE name = 'spfile';
Init F
PFILE
at this point i am confuse... i dun whether is pfile or spfile now.

Answer 1

CKPT wrote:
When instance is using PFILE, you cant see the name of the PFILE. You can check in $ORACLE_HOME/dbs/init<sid>.ora
If instance using SPFILE, then you can see complete name by "show parameter spfile".oh you mean show parameter pfile = no value is ok... i c i c
yea when i :
show parameter spfile = nothing so i :
SQL> create spfile='C:\oraclexe\app\oracle\product\11.2.0\server\database\SPFILEXE.ORA' fr
le\product\11.2.0\server\database\INITxe.ORA';
File created.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
Total System Global Area 535662592 bytes
Fixed Size 1384760 bytes
Variable Size 230690504 bytes
Database Buffers 297795584 bytes
Redo Buffers 5791744 bytes
Database mounted.
Database opened.
SQL> show parameter spfile;
NAME TYPE VALUE
spfile string C:\ORACLEXE\APP\ORACLE\PRODUCT
\11.2.0\SERVER\DATABASE\SPFILE
XE.ORA
i am confuse cos in win, the these files init.ora and spfile are in the ' database' folder and not the dbs folder (unix) But i was using 11g xe and i also see spfileMYSID.ORA in the \dbs folder which i understand is in (unix) version.
hmmmm .... . so now i just change it to using the \database folder.