65 lines
1.7 KiB
SQL
65 lines
1.7 KiB
SQL
with sr_items as
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(select i_item_id item_id,
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sum(sr_return_quantity) sr_item_qty
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from store_returns,
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item,
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date_dim
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where sr_item_sk = i_item_sk
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and d_date in
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(select d_date
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from date_dim
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where d_week_seq in
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(select d_week_seq
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from date_dim
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where d_date in ('2000-06-17','2000-08-22','2000-11-17')))
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and sr_returned_date_sk = d_date_sk
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group by i_item_id),
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cr_items as
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(select i_item_id item_id,
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sum(cr_return_quantity) cr_item_qty
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from catalog_returns,
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item,
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date_dim
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where cr_item_sk = i_item_sk
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and d_date in
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(select d_date
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from date_dim
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where d_week_seq in
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(select d_week_seq
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from date_dim
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where d_date in ('2000-06-17','2000-08-22','2000-11-17')))
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and cr_returned_date_sk = d_date_sk
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group by i_item_id),
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wr_items as
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(select i_item_id item_id,
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sum(wr_return_quantity) wr_item_qty
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from web_returns,
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item,
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date_dim
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where wr_item_sk = i_item_sk
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and d_date in
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(select d_date
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from date_dim
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where d_week_seq in
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(select d_week_seq
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from date_dim
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where d_date in ('2000-06-17','2000-08-22','2000-11-17')))
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and wr_returned_date_sk = d_date_sk
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group by i_item_id)
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select sr_items.item_id
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,sr_item_qty
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,sr_item_qty/(sr_item_qty+cr_item_qty+wr_item_qty)/3.0 * 100 sr_dev
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,cr_item_qty
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,cr_item_qty/(sr_item_qty+cr_item_qty+wr_item_qty)/3.0 * 100 cr_dev
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,wr_item_qty
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,wr_item_qty/(sr_item_qty+cr_item_qty+wr_item_qty)/3.0 * 100 wr_dev
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,(sr_item_qty+cr_item_qty+wr_item_qty)/3.0 average
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from sr_items
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,cr_items
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,wr_items
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where sr_items.item_id=cr_items.item_id
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and sr_items.item_id=wr_items.item_id
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order by sr_items.item_id
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,sr_item_qty
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limit 100;
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