oradim -shutdown -sid ROCK -shuttype srvc,inst -shutmode I -usrpwd manager

oradim -startup -sid ROCK -starttype srvc,inst -usrpwd manager -pfile MyPATH\initROCK.ora

oradim -edit -sid ROCK -startmode auto

oradim -delete -sid ROCK

oradim -delete -srvc OracleServiceROCK