To delete magento test orders you can use this SQL script.
Delete Magento Test Orders – While going live with your magento development, you might want to clean your test orders to start a fresh. One of the easier ways of doing it is running some direct MySQL queries to the database.
Go to PHPMyAdmin and run this script:-
SET FOREIGN_KEY_CHECKS=0; TRUNCATE `sales_flat_creditmemo`; TRUNCATE `sales_flat_creditmemo_comment`; TRUNCATE `sales_flat_creditmemo_grid`; TRUNCATE `sales_flat_creditmemo_item`; TRUNCATE `sales_flat_invoice`; TRUNCATE `sales_flat_invoice_comment`; TRUNCATE `sales_flat_invoice_grid`; TRUNCATE `sales_flat_invoice_item`; TRUNCATE `sales_flat_order`; TRUNCATE `sales_flat_order_address`; TRUNCATE `sales_flat_order_grid`; TRUNCATE `sales_flat_order_item`; TRUNCATE `sales_flat_order_payment`; TRUNCATE `sales_flat_order_status_history`; TRUNCATE `sales_flat_quote`; TRUNCATE `sales_flat_quote_address`; TRUNCATE `sales_flat_quote_address_item`; TRUNCATE `sales_flat_quote_item`; TRUNCATE `sales_flat_quote_item_option`; TRUNCATE `sales_flat_quote_payment`; TRUNCATE `sales_flat_quote_shipping_rate`; TRUNCATE `sales_flat_shipment`; TRUNCATE `sales_flat_shipment_comment`; TRUNCATE `sales_flat_shipment_grid`; TRUNCATE `sales_flat_shipment_item`; TRUNCATE `sales_flat_shipment_track`; TRUNCATE `sales_invoiced_aggregated`; TRUNCATE `sales_invoiced_aggregated_order`; TRUNCATE `sales_order_aggregated_created`; TRUNCATE `sendfriend_log`; TRUNCATE `tag`; TRUNCATE `tag_relation`; TRUNCATE `tag_summary`; TRUNCATE `wishlist`; TRUNCATE `log_quote`; TRUNCATE `report_event`; ALTER TABLE `sales_flat_creditmemo` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_creditmemo_comment` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_creditmemo_grid` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_creditmemo_item` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_invoice` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_invoice_comment` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_invoice_grid` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_invoice_item` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_order` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_order_address` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_order_grid` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_order_item` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_order_payment` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_order_status_history` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_quote` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_quote_address` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_quote_address_item` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_quote_item` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_quote_item_option` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_quote_payment` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_quote_shipping_rate` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_shipment` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_shipment_comment` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_shipment_grid` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_shipment_item` AUTO_INCREMENT=1; ALTER TABLE `sales_flat_shipment_track` AUTO_INCREMENT=1; ALTER TABLE `sales_invoiced_aggregated` AUTO_INCREMENT=1; ALTER TABLE `sales_invoiced_aggregated_order` AUTO_INCREMENT=1; ALTER TABLE `sales_order_aggregated_created` AUTO_INCREMENT=1; ALTER TABLE `sendfriend_log` AUTO_INCREMENT=1; ALTER TABLE `tag` AUTO_INCREMENT=1; ALTER TABLE `tag_relation` AUTO_INCREMENT=1; ALTER TABLE `tag_summary` AUTO_INCREMENT=1; ALTER TABLE `wishlist` AUTO_INCREMENT=1; ALTER TABLE `log_quote` AUTO_INCREMENT=1; ALTER TABLE `report_event` AUTO_INCREMENT=1; SET FOREIGN_KEY_CHECKS=1;
That’s all, now your Magento is ready to start taking real orders.
How to delete test orders Magento 2
First back up your SQL.
Use the below SQL code according to needs.
SET FOREIGN_KEY_CHECKS=0;
# Clean Order History
TRUNCATE TABLE `sales_bestsellers_aggregated_daily`;
TRUNCATE TABLE `sales_bestsellers_aggregated_monthly`;
TRUNCATE TABLE `sales_bestsellers_aggregated_yearly`;
# Clean Order Infos
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`;
# Clean Cart Infos
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`;
# Reset indexes (if you want your orders number to start back to 1
TRUNCATE TABLE sequence_invoice_1;
TRUNCATE TABLE sequence_order_1;
TRUNCATE TABLE sequence_shipment_1;
TRUNCATE TABLE sequence_creditmemo_1;
SET FOREIGN_KEY_CHECKS=1;
DO NOT TRUNCATE / EMPTY THE FOLLOWING :
sales_order_status
sales_sequence_meta
sales_sequence_profile
sales_order_status_label
sales_order_status_state