{ query_name
| [schema .] 
  { table [ { PARTITION ( partition )
            | SUBPARTITION ( subpartition )
            }
            [sample_clause]
          | @ dblink
          ]
  | { view | materialized view } [@ dblink]
  }
| ( subquery [subquery_restriction_clause] )
| table_collection_expression
}

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