{ * 
| { query_name
  | [schema.] { table | view | materialized view } .* 
  | expr [[AS] c_alias]
  } 
  [, { query_name
     | [schema.] { table | view | materialized view } .* 
     | expr [[AS] c_alias]
     }
  ]...
}

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