SET foreign_key_checks = 0;
TRUNCATE `s_user`;
TRUNCATE `s_user_addresses`;
TRUNCATE `s_user_addresses_attributes`;
TRUNCATE `s_user_attributes`;
TRUNCATE `s_user_billingaddress`;
TRUNCATE `s_user_billingaddress_attributes`;
TRUNCATE `s_user_shippingaddress`;
TRUNCATE `s_user_shippingaddress_attributes;
SET foreign_key_checks = 1;