ALTER TABLE `documento_ventas_has_item` CHANGE `id_item` `id_item` VARCHAR(13) CHARACTER SET utf8 COLLATE utf8_spanish_ci NOT NULL;
ALTER TABLE `entrada_has_item` CHANGE `id_item` `id_item` VARCHAR(13) CHARACTER SET utf8 COLLATE utf8_spanish_ci NOT NULL;
ALTER TABLE `existencia_historico` CHANGE `id_item` `id_item` VARCHAR(13) CHARACTER SET utf8 COLLATE utf8_spanish_ci NOT NULL;
ALTER TABLE `existencia_item_bodega` CHANGE `id_item` `id_item` VARCHAR(13) CHARACTER SET utf8 COLLATE utf8_spanish_ci NOT NULL;
ALTER TABLE `item` CHANGE `id_item` `id_item` VARCHAR(13) CHARACTER SET utf8 COLLATE utf8_spanish_ci NOT NULL;
ALTER TABLE `lista_precios` CHANGE `id_item` `id_item` VARCHAR(13) CHARACTER SET utf8 COLLATE utf8_spanish_ci NOT NULL;
ALTER TABLE `listaprecio_documento_item` CHANGE `id_item` `id_item` VARCHAR(13) CHARACTER SET utf8 COLLATE utf8_spanish_ci NOT NULL;
ALTER TABLE `valor_comision_recaudo_kg` CHANGE `id_item` `id_item` VARCHAR(13) CHARACTER SET utf8 COLLATE utf8_spanish_ci NOT NULL;
ALTER TABLE `ventas_item_mes` CHANGE `id_item` `id_item` VARCHAR(13) CHARACTER SET utf8 COLLATE utf8_spanish_ci NOT NULL;
