Magento 2 : Remove Products / Category's / Customers /Orders /Product Reviews Using MySQL Script

Below Truncate worked for me in Magento ver. 2.1.7


Truncate Category Tables

SET FOREIGN_KEY_CHECKS = 0;

TRUNCATE TABLE `catalog_category_entity`;
TRUNCATE TABLE `catalog_category_entity_datetime`;
TRUNCATE TABLE `catalog_category_entity_decimal`;
TRUNCATE TABLE `catalog_category_entity_int`;
TRUNCATE TABLE `catalog_category_entity_text`;
TRUNCATE TABLE `catalog_category_entity_varchar`;
TRUNCATE TABLE `catalog_category_product`;
TRUNCATE TABLE `catalog_category_product_index`;

INSERT INTO `catalog_category_entity` (`entity_id`, `attribute_set_id`, `parent_id`, `created_at`, `updated_at`, `path`, `position`, `level`, `children_count`) VALUES ('1', '0', '0', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP, '1', '0', '0', '1'),
('2', '3', '1', CURRENT_TIMESTAMP, CURRENT_TIMESTAMP, '1/2', '1', '1', '0');

INSERT INTO `catalog_category_entity_int` (`value_id`, `attribute_id`, `store_id`, `entity_id`, `value`) VALUES
('1', '69', '0', '1', '1'),
('2', '46', '0', '2', '1'),
('3', '69', '0', '2', '1');

INSERT INTO `catalog_category_entity_varchar` (`value_id`, `attribute_id`, `store_id`, `entity_id`, `value`) VALUES
('1', '45', '0', '1', 'Root Catalog'),
('2', '45', '0', '2', 'Default Category');

SET FOREIGN_KEY_CHECKS = 1;

DELETE FROM url_rewrite WHERE entity_type = 'category';

*****************************************************************

Truncate Product Tables


SET FOREIGN_KEY_CHECKS = 0;
TRUNCATE TABLE `cataloginventory_stock_item`;
TRUNCATE TABLE `cataloginventory_stock_status`;
TRUNCATE TABLE `cataloginventory_stock_status_idx`;
TRUNCATE TABLE `cataloginventory_stock_status_tmp`;
TRUNCATE TABLE `catalog_category_product`;
TRUNCATE TABLE `catalog_category_product_index`;
TRUNCATE TABLE `catalog_category_product_index_tmp`;
TRUNCATE TABLE `catalog_compare_item`;
TRUNCATE TABLE `catalog_product_bundle_option`;
TRUNCATE TABLE `catalog_product_bundle_option_value`;
TRUNCATE TABLE `catalog_product_bundle_price_index`;
TRUNCATE TABLE `catalog_product_bundle_selection`;
TRUNCATE TABLE `catalog_product_bundle_selection_price`;
TRUNCATE TABLE `catalog_product_bundle_stock_index`;
TRUNCATE TABLE `catalog_product_entity`;
TRUNCATE TABLE `catalog_product_entity_datetime`;
TRUNCATE TABLE `catalog_product_entity_decimal`;
TRUNCATE TABLE `catalog_product_entity_gallery`;
TRUNCATE TABLE `catalog_product_entity_int`;
TRUNCATE TABLE `catalog_product_entity_media_gallery`;
TRUNCATE TABLE `catalog_product_entity_media_gallery_value`;
TRUNCATE TABLE `catalog_product_entity_media_gallery_value_to_entity`;
TRUNCATE TABLE `catalog_product_entity_media_gallery_value_video`;
TRUNCATE TABLE `catalog_product_entity_text`;
TRUNCATE TABLE `catalog_product_entity_tier_price`;
TRUNCATE TABLE `catalog_product_entity_varchar`;
TRUNCATE TABLE `catalog_product_index_eav`;
TRUNCATE TABLE `catalog_product_index_eav_decimal`;
TRUNCATE TABLE `catalog_product_index_eav_decimal_idx`;
TRUNCATE TABLE `catalog_product_index_eav_decimal_tmp`;
TRUNCATE TABLE `catalog_product_index_eav_idx`;
TRUNCATE TABLE `catalog_product_index_eav_tmp`;
TRUNCATE TABLE `catalog_product_index_price`;
TRUNCATE TABLE `catalog_product_index_price_bundle_idx`;
TRUNCATE TABLE `catalog_product_index_price_bundle_opt_idx`;
TRUNCATE TABLE `catalog_product_index_price_bundle_opt_tmp`;
TRUNCATE TABLE `catalog_product_index_price_bundle_sel_idx`;
TRUNCATE TABLE `catalog_product_index_price_bundle_sel_tmp`;
TRUNCATE TABLE `catalog_product_index_price_bundle_tmp`;
TRUNCATE TABLE `catalog_product_index_price_cfg_opt_agr_idx`;
TRUNCATE TABLE `catalog_product_index_price_cfg_opt_agr_tmp`;
TRUNCATE TABLE `catalog_product_index_price_cfg_opt_idx`;
TRUNCATE TABLE `catalog_product_index_price_cfg_opt_tmp`;
TRUNCATE TABLE `catalog_product_index_price_downlod_idx`;
TRUNCATE TABLE `catalog_product_index_price_downlod_tmp`;
TRUNCATE TABLE `catalog_product_index_price_final_idx`;
TRUNCATE TABLE `catalog_product_index_price_final_tmp`;
TRUNCATE TABLE `catalog_product_index_price_idx`;
TRUNCATE TABLE `catalog_product_index_price_opt_agr_idx`;
TRUNCATE TABLE `catalog_product_index_price_opt_agr_tmp`;
TRUNCATE TABLE `catalog_product_index_price_opt_idx`;
TRUNCATE TABLE `catalog_product_index_price_opt_tmp`;
TRUNCATE TABLE `catalog_product_index_price_tmp`;
TRUNCATE TABLE `catalog_product_index_tier_price`;
TRUNCATE TABLE `catalog_product_index_website`;
TRUNCATE TABLE `catalog_product_link`;
TRUNCATE TABLE `catalog_product_link_attribute_decimal`;
TRUNCATE TABLE `catalog_product_link_attribute_int`;
TRUNCATE TABLE `catalog_product_link_attribute_varchar`;
TRUNCATE TABLE `catalog_product_option`;
TRUNCATE TABLE `catalog_product_option_price`;
TRUNCATE TABLE `catalog_product_option_title`;
TRUNCATE TABLE `catalog_product_option_type_price`;
TRUNCATE TABLE `catalog_product_option_type_title`;
TRUNCATE TABLE `catalog_product_option_type_value`;
TRUNCATE TABLE `catalog_product_relation`;
TRUNCATE TABLE `catalog_product_super_attribute`;
TRUNCATE TABLE `catalog_product_super_attribute_label`;
TRUNCATE TABLE `catalog_product_super_link`;
TRUNCATE TABLE `catalog_product_website`;
TRUNCATE TABLE `catalog_url_rewrite_product_category`;
TRUNCATE TABLE `downloadable_link`;
TRUNCATE TABLE `downloadable_link_price`;
TRUNCATE TABLE `downloadable_link_purchased`;
TRUNCATE TABLE `downloadable_link_purchased_item`;
TRUNCATE TABLE `downloadable_link_title`;
TRUNCATE TABLE `downloadable_sample`;
TRUNCATE TABLE `downloadable_sample_title`;
TRUNCATE TABLE `product_alert_price`;
TRUNCATE TABLE `product_alert_stock`;
TRUNCATE TABLE `report_compared_product_index`;
TRUNCATE TABLE `report_viewed_product_aggregated_daily`;
TRUNCATE TABLE `report_viewed_product_aggregated_monthly`;
TRUNCATE TABLE `report_viewed_product_aggregated_yearly`;
TRUNCATE TABLE `report_viewed_product_index`;

SET FOREIGN_KEY_CHECKS = 1;
DELETE FROM url_rewrite WHERE entity_type = 'product';

************************************************************************

Truncate Review Tables


SET FOREIGN_KEY_CHECKS = 0;
TRUNCATE TABLE `review`;
TRUNCATE TABLE `review_detail`;
TRUNCATE TABLE `review_entity_summary`;
TRUNCATE TABLE `review_store`;

SET FOREIGN_KEY_CHECKS = 1;

************************************************************************

Truncate Customer Tables

SET FOREIGN_KEY_CHECKS = 0;
TRUNCATE TABLE `customer_address_entity`;
TRUNCATE TABLE `customer_address_entity_datetime`;
TRUNCATE TABLE `customer_address_entity_decimal`;
TRUNCATE TABLE `customer_address_entity_int`;
TRUNCATE TABLE `customer_address_entity_text`;
TRUNCATE TABLE `customer_address_entity_varchar`;
TRUNCATE TABLE `customer_entity`;
TRUNCATE TABLE `customer_entity_datetime`;
TRUNCATE TABLE `customer_entity_decimal`;
TRUNCATE TABLE `customer_entity_int`;
TRUNCATE TABLE `customer_entity_text`;
TRUNCATE TABLE `customer_entity_varchar`;
TRUNCATE TABLE `customer_grid_flat`;
TRUNCATE TABLE `customer_log`;
TRUNCATE TABLE `customer_log`;
TRUNCATE TABLE `customer_visitor`;
TRUNCATE TABLE `persistent_session`;
TRUNCATE TABLE `wishlist`;
TRUNCATE TABLE `wishlist_item`;
TRUNCATE TABLE `wishlist_item_option`;
SET FOREIGN_KEY_CHECKS = 1;


************************************************************************

Truncate Order Tables

SET FOREIGN_KEY_CHECKS = 0;
TRUNCATE TABLE `gift_message`;
TRUNCATE TABLE `quote`;
TRUNCATE TABLE `quote_address`;
TRUNCATE TABLE `quote_address_item`;
TRUNCATE TABLE `quote_id_mask`;
TRUNCATE TABLE `quote_item`;
TRUNCATE TABLE `quote_item_option`;
TRUNCATE TABLE `quote_payment`;
TRUNCATE TABLE `quote_shipping_rate`;
TRUNCATE TABLE `reporting_orders`;
TRUNCATE TABLE `sales_bestsellers_aggregated_daily`;
TRUNCATE TABLE `sales_bestsellers_aggregated_monthly`;
TRUNCATE TABLE `sales_bestsellers_aggregated_yearly`;
TRUNCATE TABLE `sales_creditmemo`;
TRUNCATE TABLE `sales_creditmemo_comment`;
TRUNCATE TABLE `sales_creditmemo_grid`;
TRUNCATE TABLE `sales_creditmemo_item`;
TRUNCATE TABLE `sales_invoice`;
TRUNCATE TABLE `sales_invoiced_aggregated`;
TRUNCATE TABLE `sales_invoiced_aggregated_order`;
TRUNCATE TABLE `sales_invoice_comment`;
TRUNCATE TABLE `sales_invoice_grid`;
TRUNCATE TABLE `sales_invoice_item`;
TRUNCATE TABLE `sales_order`;
TRUNCATE TABLE `sales_order_address`;
TRUNCATE TABLE `sales_order_aggregated_created`;
TRUNCATE TABLE `sales_order_aggregated_updated`;
TRUNCATE TABLE `sales_order_grid`;
TRUNCATE TABLE `sales_order_item`;
TRUNCATE TABLE `sales_order_payment`;
TRUNCATE TABLE `sales_order_status_history`;
TRUNCATE TABLE `sales_order_tax`;
TRUNCATE TABLE `sales_order_tax_item`;
TRUNCATE TABLE `sales_payment_transaction`;
TRUNCATE TABLE `sales_refunded_aggregated`;
TRUNCATE TABLE `sales_refunded_aggregated_order`;
TRUNCATE TABLE `sales_shipment`;
TRUNCATE TABLE `sales_shipment_comment`;
TRUNCATE TABLE `sales_shipment_grid`;
TRUNCATE TABLE `sales_shipment_item`;
TRUNCATE TABLE `sales_shipment_track`;
TRUNCATE TABLE `sales_shipping_aggregated`;
TRUNCATE TABLE `sales_shipping_aggregated_order`;
TRUNCATE TABLE `tax_order_aggregated_created`;
TRUNCATE TABLE `tax_order_aggregated_updated`;

SET FOREIGN_KEY_CHECKS = 1;