There could be any number of reasons why you cannot start your new database. Did you connect to the database as someone in the SYSDBA or SYSOPER group? After that, the syntax to start the database in NOMOUNT mode is:
START NOMOUNT PFILE=/directory/initSID.oraSince there are a number of reasons why the database won't start, we'll need more information from you. Please resubmit your question with a complete cut-and-paste of your exact command and any and all errors messages.
This was first published in July 2004