CREATE MATERIALIZED VIEW [ schema. ] materialized_view
  [ column_alias [ENCRYPT [encryption_spec]] [, column_alias [ENCRYPT [encryption_spec]] ]... ]
  [ OF [ schema. ] object_type ]
  [ (scoped_table_ref_constraint) ]
  { ON PREBUILT TABLE
    [ { WITH | WITHOUT } REDUCED PRECISION ]
  | physical_properties materialized_view_props
  }
  [ USING INDEX
    [ physical_attributes_clause
    | TABLESPACE tablespace
    ]...
  | USING NO INDEX
  ]
  [ create_mv_refresh ]
  [ FOR UPDATE ]
  [ { DISABLE | ENABLE } QUERY REWRITE ]
AS subquery ;