create database if not exists ${DB}; use ${DB}; drop table if exists web_returns; create external table web_returns ( wr_returned_date_sk int, wr_returned_time_sk int, wr_item_sk int, wr_refunded_customer_sk int, wr_refunded_cdemo_sk int, wr_refunded_hdemo_sk int, wr_refunded_addr_sk int, wr_returning_customer_sk int, wr_returning_cdemo_sk int, wr_returning_hdemo_sk int, wr_returning_addr_sk int, wr_web_page_sk int, wr_reason_sk int, wr_order_number int, wr_return_quantity int, wr_return_amt float, wr_return_tax float, wr_return_amt_inc_tax float, wr_fee float, wr_return_ship_cost float, wr_refunded_cash float, wr_reversed_charge float, wr_account_credit float, wr_net_loss float ) row format delimited fields terminated by '|' location '${LOCATION}';