{ storage_clause
| PCTVERSION integer
| RETENTION
| FREEPOOLS integer
| REBUILD FREEPOOLS
| { CACHE 
  | { NOCACHE | CACHE READS } [ logging_clause ]
  }
| { allocate_extent_clause 
  | deallocate_unused_clause
  }
}
[ storage_clause
| PCTVERSION integer
| RETENTION
| FREEPOOLS integer
| REBUILD FREEPOOLS
| { CACHE 
  | { NOCACHE | CACHE READS } [ logging_clause ]
  }
| { allocate_extent_clause 
  | deallocate_unused_clause
  }
]...