{ LOGFILE logSpec [, logSpec]... 
| NOFILENAMECHECK 
| SKIP READONLY
| SKIP TABLESPACE ['] tablespace_name ['] [, ['] tablespace_name [']] ... 
| untilClause
| DEVICE TYPE deviceSpecifier [, deviceSpecifier]... 
| PFILE [=] ['] filename [']
} 
[ LOGFILE logSpec [, logSpec]... 
| NOFILENAMECHECK 
| SKIP READONLY 
| SKIP TABLESPACE ['] tablespace_name ['] [, ['] tablespace_name [']] ... 
| untilClause
| DEVICE TYPE deviceSpecifier [, deviceSpecifier]... 
| PFILE [=] ['] filename [']
]...