USING INDEX 
[ [schema .] index)
| create_index_statement
| { LOCAL | global_partitioned_index }
| { PCTFREE integer 
  | INITRANS integer
  | MAXTRANS integer 
  | TABLESPACE tablespace 
  | storage_clause
  | NOSORT
  | { LOGGING | NOLOGGING } 
  }
  [ PCTFREE integer 
  | INITRANS integer
  | MAXTRANS integer 
  | TABLESPACE tablespace 
  | storage_clause
  | NOSORT
  | { LOGGING | NOLOGGING }
  ]...
]

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