{ column_properties [column_properties]... [( partition_storage_clause [, partition_storage_clause]... ) ] | modify_LOB_storage_clause [modify_LOB_storage_clause]... | alter_varray_col_properties [alter_varray_col_properties]... }
For information on the symbols and conventions of Backus-Naur Form (BNF) syntax, see Appendix A.