DSB Q099

select top 100
   substring(w_warehouse_name,1,20)
  ,sm_type
  ,cc_name
  ,sum(case when (cs_ship_date_sk - cs_sold_date_sk <= 30 ) then 1 else 0 end)  as "30 days"
  ,sum(case when (cs_ship_date_sk - cs_sold_date_sk > 30) and
                 (cs_ship_date_sk - cs_sold_date_sk <= 60) then 1 else 0 end )  as "31-60 days"
  ,sum(case when (cs_ship_date_sk - cs_sold_date_sk > 60) and
                 (cs_ship_date_sk - cs_sold_date_sk <= 90) then 1 else 0 end)  as "61-90 days"
  ,sum(case when (cs_ship_date_sk - cs_sold_date_sk > 90) and
                 (cs_ship_date_sk - cs_sold_date_sk <= 120) then 1 else 0 end)  as "91-120 days"
  ,sum(case when (cs_ship_date_sk - cs_sold_date_sk  > 120) then 1 else 0 end)  as ">120 days"
from
   catalog_sales
  ,warehouse
  ,ship_mode
  ,call_center
  ,date_dim
where
d_month_seq between 1201 and 1201 + 23
and cs_ship_date_sk   = d_date_sk
and cs_warehouse_sk   = w_warehouse_sk
and cs_ship_mode_sk   = sm_ship_mode_sk
and cs_call_center_sk = cc_call_center_sk
and cs_list_price between 248 and 277
and sm_type = 'NEXT DAY'
and cc_class = 'large'
and w_gmt_offset = -5
group by
   substring(w_warehouse_name,1,20)
  ,sm_type
  ,cc_name
order by substring(w_warehouse_name,1,20)
        ,sm_type
        ,cc_name
;