truncate all product data ON CE 1.9

SET FOREIGN_KEY_CHECKS = 0; 
TRUNCATE TABLE `core_url_rewrite`;
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`; 
TRUNCATE TABLE `catalog_category_product`;  
TRUNCATE TABLE `catalog_category_product_index`;  
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');
SET FOREIGN_KEY_CHECKS = 1;