1. I deleted oracleservice using oradim.
oradim -delete -sid RND
2. I created the new service.
oradim -new -sid RND -intpwd PWD -pfile FILENAME
My problems -
1. My database could not start when my services are started auto.
2. I couldn't connect to sys. says invalid password
i changed it from internal using alter user statement
3. i couldn't SHUTDOWN from sys. gives
Any idea !!! am i missing something.