Created
January 30, 2019 23:02
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with rw_date as ( | |
select * from date_dim where | |
d_date in (select d_date | |
from date_dim | |
where d_week_seq in | |
(select d_week_seq | |
from date_dim | |
where d_date in ('2000-01-24','2000-10-20','2000-11-05')))) | |
, sr_items as | |
(select i_item_id item_id, | |
sum(sr_return_quantity) sr_item_qty | |
from store_returns, | |
item, | |
rw_date | |
where sr_item_sk = i_item_sk | |
and sr_returned_date_sk = d_date_sk | |
group by i_item_id), | |
cr_items as | |
(select i_item_id item_id, | |
sum(cr_return_quantity) cr_item_qty | |
from catalog_returns, | |
item, | |
rw_date | |
where cr_item_sk = i_item_sk | |
and cr_returned_date_sk = d_date_sk | |
group by i_item_id), | |
wr_items as | |
(select i_item_id item_id, | |
sum(wr_return_quantity) wr_item_qty | |
from web_returns, | |
item, | |
rw_date | |
where wr_item_sk = i_item_sk | |
and wr_returned_date_sk = d_date_sk | |
group by i_item_id) | |
select sr_items.item_id | |
,sr_item_qty | |
,sr_item_qty/(sr_item_qty+cr_item_qty+wr_item_qty)/3.0 * 100 sr_dev | |
,cr_item_qty | |
,cr_item_qty/(sr_item_qty+cr_item_qty+wr_item_qty)/3.0 * 100 cr_dev | |
,wr_item_qty | |
,wr_item_qty/(sr_item_qty+cr_item_qty+wr_item_qty)/3.0 * 100 wr_dev | |
,(sr_item_qty+cr_item_qty+wr_item_qty)/3.0 average | |
from sr_items | |
,cr_items | |
,wr_items | |
where sr_items.item_id=cr_items.item_id | |
and sr_items.item_id=wr_items.item_id | |
order by sr_items.item_id | |
,sr_item_qty | |
limit 100; |
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