/**
  * Revert the changes to the database.
  *
  * @return void
  */
 public function down()
 {
     //
     Laravel\Database\Schema::drop('materiales');
     Laravel\Database\Schema::drop('unidadmaterial');
     Laravel\Database\Schema::drop('categoriamaterial');
 }
 /**
  * Revert the changes to the database.
  *
  * @return void
  */
 public function down()
 {
     //
     Laravel\Database\Schema::drop('detalle_fxp');
     Laravel\Database\Schema::drop('facturasxpagar');
 }