code: public function dropView($viewName)
      {
          $sql = $this->db->getQueryBuilder()->dropView($viewName);
  
          return $this->setSql($sql)->requireTableSchemaRefresh($viewName);
      }
docs: Drops a SQL View.
  
  @param string $viewName the name of the view to be dropped.
  @return $this the command object itself.
  @since 2.0.14