[{ physical_attributes_clause
 | { LOGGING | NOLOGGING }
 | allocate_extent_clause 
 | deallocate_unused_clause
 } 
 [ physical_attributes_clause
 | { LOGGING | NOLOGGING }
 | allocate_extent_clause 
 | deallocate_unused_clause
 ]...
] 
[OVERFLOW
 { physical_attributes_clause
 | { LOGGING | NOLOGGING }
 | allocate_extent_clause
 | deallocate_unused_clause 
 }
 [ physical_attributes_clause
 | { LOGGING | NOLOGGING }
 | allocate_extent_clause
 | deallocate_unused_clause
 ]...
] 
[{ LOB LOB_item | VARRAY varray } modify_LOB_storage_parameters 
 [{ LOB LOB_item | VARRAY varray } modify_LOB_storage_parameters]...
]

For information on the symbols and conventions of Backus-Naur Form (BNF) syntax, see Appendix A.