--q62.sql--

 select
   substr(w_warehouse_name,1,20)
  ,sm_type
  ,web_name
  ,sum(case when (ws_ship_date_sk - ws_sold_date_sk <= 30 ) then 1 else 0 end)  as `30 days`
  ,sum(case when (ws_ship_date_sk - ws_sold_date_sk > 30) and
                 (ws_ship_date_sk - ws_sold_date_sk <= 60) then 1 else 0 end )  as `31-60 days`
  ,sum(case when (ws_ship_date_sk - ws_sold_date_sk > 60) and
                 (ws_ship_date_sk - ws_sold_date_sk <= 90) then 1 else 0 end)  as `61-90 days`
  ,sum(case when (ws_ship_date_sk - ws_sold_date_sk > 90) and
                 (ws_ship_date_sk - ws_sold_date_sk <= 120) then 1 else 0 end)  as `91-120 days`
  ,sum(case when (ws_ship_date_sk - ws_sold_date_sk  > 120) then 1 else 0 end)  as `>120 days`
 from
    web_sales, warehouse, ship_mode, web_site, date_dim
 where
     d_month_seq between 1200 and 1200 + 11
 and ws_ship_date_sk   = d_date_sk
 and ws_warehouse_sk   = w_warehouse_sk
 and ws_ship_mode_sk   = sm_ship_mode_sk
 and ws_web_site_sk    = web_site_sk
 group by
    substr(w_warehouse_name,1,20), sm_type, web_name
 order by
    substr(w_warehouse_name,1,20), sm_type, web_name
 limit 100
            
