How to remove all product from db in magento

TRUNCATE TABLE `catalog_product_bundle_option`;TRUNCATE TABLE `catalog_product_bundle_option_value`; 
TRUNCATE TABLE `catalog_product_bundle_selection`;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_text`; 
TRUNCATE TABLE `catalog_product_entity_tier_price`;TRUNCATE TABLE `catalog_product_entity_varchar`; 
TRUNCATE TABLE `catalog_product_link`;TRUNCATE TABLE `catalog_product_link_attribute`; 
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_link_type`; 
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_super_attribute`;TRUNCATE TABLE `catalog_product_super_attribute_label`;
TRUNCATE TABLE `catalog_product_super_attribute_pricing`;TRUNCATE TABLE `catalog_product_super_link`; 
TRUNCATE TABLE `catalog_product_enabled_index`;TRUNCATE TABLE `catalog_product_website`; 
TRUNCATE TABLE `catalog_product_entity`;TRUNCATE TABLE `cataloginventory_stock`;TRUNCATE TABLE `cataloginventory_stock_item`; 
TRUNCATE TABLE `cataloginventory_stock_status`; 


insert  into `catalog_product_link_type`(`link_type_id`,`code`) values (1,'relation'),(2,'bundle'),(3,'super'),(4,'up_sell'),(5,'cross_sell');insert  into `catalog_product_link_attribute`(`product_link_attribute_id`,`link_type_id`,`product_link_attribute_code`,`data_type`) values (1,2,'qty','decimal'),(2,1,'position','int'),(3,4,'position','int'),(4,5,'position','int'),(6,1,'qty','decimal'),(7,3,'position','int'),(8,3,'qty','decimal'); 
insert  into `cataloginventory_stock`(`stock_id`,`stock_name`) values (1,'Default');

How to delete all order and customers in magento

SET FOREIGN_KEY_CHECKS=0;
 
-- Here's where we reset the orders 
TRUNCATE `sales_flat_order`;
TRUNCATE `sales_flat_order_address`;
TRUNCATE `sales_flat_order_grid`;
TRUNCATE `sales_flat_order_item`;
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_order_payment`;
TRUNCATE `sales_flat_quote_payment`;
TRUNCATE `sales_flat_shipment`;
TRUNCATE `sales_flat_shipment_item`;
TRUNCATE `sales_flat_shipment_grid`;
TRUNCATE `sales_flat_invoice`;
TRUNCATE `sales_flat_invoice_grid`;
TRUNCATE `sales_flat_invoice_item`;
TRUNCATE `sendfriend_log`;
TRUNCATE `tag`;
TRUNCATE `tag_relation`;
TRUNCATE `tag_summary`;
TRUNCATE `wishlist`;
TRUNCATE `log_quote`;
TRUNCATE `report_event`;
 
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_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 `sendfriend_log` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_order_payment` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_quote_payment` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_shipment` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_shipment_item` AUTO_INCREMENT=1;
ALTER TABLE `sales_flat_invoice` 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_shipment_grid` 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;
 
-- Here's where we reset the customers
TRUNCATE `customer_address_entity`;
TRUNCATE `customer_address_entity_datetime`;
TRUNCATE `customer_address_entity_decimal`;
TRUNCATE `customer_address_entity_int`;
TRUNCATE `customer_address_entity_text`;
TRUNCATE `customer_address_entity_varchar`;
TRUNCATE `customer_entity`;
TRUNCATE `customer_entity_datetime`;
TRUNCATE `customer_entity_decimal`;
TRUNCATE `customer_entity_int`;
TRUNCATE `customer_entity_text`;
TRUNCATE `customer_entity_varchar`;
TRUNCATE `log_customer`;
TRUNCATE `log_visitor`;
TRUNCATE `log_visitor_info`;
 
ALTER TABLE `customer_address_entity` AUTO_INCREMENT=1;
ALTER TABLE `customer_address_entity_datetime` AUTO_INCREMENT=1;
ALTER TABLE `customer_address_entity_decimal` AUTO_INCREMENT=1;
ALTER TABLE `customer_address_entity_int` AUTO_INCREMENT=1;
ALTER TABLE `customer_address_entity_text` AUTO_INCREMENT=1;
ALTER TABLE `customer_address_entity_varchar` AUTO_INCREMENT=1;
ALTER TABLE `customer_entity` AUTO_INCREMENT=1;
ALTER TABLE `customer_entity_datetime` AUTO_INCREMENT=1;
ALTER TABLE `customer_entity_decimal` AUTO_INCREMENT=1;
ALTER TABLE `customer_entity_int` AUTO_INCREMENT=1;
ALTER TABLE `customer_entity_text` AUTO_INCREMENT=1;
ALTER TABLE `customer_entity_varchar` AUTO_INCREMENT=1;
ALTER TABLE `log_customer` AUTO_INCREMENT=1;
ALTER TABLE `log_visitor` AUTO_INCREMENT=1;
ALTER TABLE `log_visitor_info` AUTO_INCREMENT=1;
 
-- This is to Reset all the ID counters
TRUNCATE `eav_entity_store`;
ALTER TABLE `eav_entity_store` AUTO_INCREMENT=1;
 
SET FOREIGN_KEY_CHECKS=1;

Delete all order in magento

SET FOREIGN_KEY_CHECKS=0;

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_creditmemo`;
TRUNCATE `sales_flat_creditmemo_comment`;
TRUNCATE `sales_flat_creditmemo_grid`;
TRUNCATE `sales_flat_creditmemo_item`;

TRUNCATE `sales_flat_invoice`;
TRUNCATE `sales_flat_invoice`;
TRUNCATE `sales_flat_invoice_grid`;
TRUNCATE `sales_flat_invoice_item`;

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_order_item`;

TRUNCATE `sales_flat_shipment`;
TRUNCATE `sales_flat_shipment_comment`;
TRUNCATE `sales_flat_shipment_grid`;
TRUNCATE `sales_flat_shipment_item`;
TRUNCATE `sales_flat_shipment_item`;
TRUNCATE `sales_flat_shipment_track`;

TRUNCATE `sendfriend_log`;
TRUNCATE `tag`;
TRUNCATE `tag_relation`;
TRUNCATE `tag_summary`;
TRUNCATE `wishlist`;
TRUNCATE `log_quote`;
TRUNCATE `report_event`;

ALTER TABLE `sales_flat_order` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_order_address` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_order_grid` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_order_item` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_order_payment` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_order_status_history` AUTO_INCREMENT=0;

ALTER TABLE `sales_flat_creditmemo` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_creditmemo_comment` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_creditmemo_grid` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_creditmemo_item` AUTO_INCREMENT=0;

ALTER TABLE `sales_flat_invoice` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_invoice` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_invoice_grid` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_invoice_item` AUTO_INCREMENT=0;

ALTER TABLE `sales_flat_quote` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_quote_address` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_quote_address_item` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_quote_item` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_quote_item_option` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_order_item` AUTO_INCREMENT=0;

ALTER TABLE `sales_flat_shipment` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_shipment_comment` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_shipment_grid` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_shipment_item` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_shipment_item` AUTO_INCREMENT=0;
ALTER TABLE `sales_flat_shipment_track` AUTO_INCREMENT=0;

ALTER TABLE `sendfriend_log` AUTO_INCREMENT=0;
ALTER TABLE `tag` AUTO_INCREMENT=0;
ALTER TABLE `tag_relation` AUTO_INCREMENT=0;
ALTER TABLE `tag_summary` AUTO_INCREMENT=0;
ALTER TABLE `wishlist` AUTO_INCREMENT=0;
ALTER TABLE `log_quote` AUTO_INCREMENT=0;
ALTER TABLE `report_event` AUTO_INCREMENT=0;

TRUNCATE `eav_entity_store`;
ALTER TABLE  `eav_entity_store` AUTO_INCREMENT=0;

SET FOREIGN_KEY_CHECKS=1;