UPDATE handling_unit SET in_stock_flag = 'N', epc = CONVERT(VARCHAR(8), GETDATE(), 112) WHERE unit_id NOT IN (SELECT serial_no FROM pallet_detail) AND in_stock_flag = 'Y' AND site = #{site} UPDATE handling_unit SET in_stock_flag = 'Y', epc = '' WHERE epc = CONVERT(VARCHAR(8), GETDATE(), 112) AND in_stock_flag = 'N' AND site = #{site}