Zend Anwar

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`;
TRUNCATE TABLE `vault_payment_token_order_payment_link`;

TRUNCATE TABLE `sequence_order_0`;
TRUNCATE TABLE `sequence_invoice_0`;
TRUNCATE TABLE `sequence_shipment_0`;
TRUNCATE TABLE `sequence_creditmemo_0`;
TRUNCATE TABLE `sequence_order_1`;
TRUNCATE TABLE `sequence_invoice_1`;
TRUNCATE TABLE `sequence_shipment_1`;
TRUNCATE TABLE `sequence_creditmemo_1`;
/*Add According to your store ids */;
/*example: TRUNCATE TABLE `sequence_order_2`; */;

ALTER TABLE `sales_order` AUTO_INCREMENT=1;

SET FOREIGN_KEY_CHECKS = 1;