1. Truncate all of these tables:
Code:
address_book
customers
customers_info
email_archive
products_notifications
customers_basket
customers_basket_attributes
files_uploaded
orders
orders_products
orders_products_attributes
orders_products_download
orders_status_history
orders_total
paypal
paypal_payment_status_history
paypal_session
paypal_testing
admin_activity_log
authorizenet
banners_history
counter
counter_history
coupon_email_track
coupon_redeem_track
email_archive
coupon_gv_customer
coupon_gv_queue
2. Reset the products_viewed column to 0 in the products_description table.