MODIFY DEFAULT ATTRIBUTES [FOR PARTITION partition] [segment_attributes_clause] [PCTTHRESHOLD integer][ COMPRESS | NOCOMPRESS ] [overflow_attributes] [{ LOB ( LOB_item ) | VARRAY varray } ( LOB_parameters ) [{ LOB ( LOB_item ) | VARRAY varray } ( LOB_parameters )]... ]
For information on the symbols and conventions of Backus-Naur Form (BNF) syntax, see Appendix A.