should be it

This commit is contained in:
2025-10-24 19:21:19 -05:00
parent a4b23fc57c
commit f09560c7b1
14047 changed files with 3161551 additions and 1 deletions

View File

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SELECT asceding.rnk,
i1.i_product_name best_performing,
i2.i_product_name worst_performing
FROM
(SELECT *
FROM
(SELECT item_sk,
rank() OVER (
ORDER BY rank_col ASC) rnk
FROM
(SELECT ss_item_sk item_sk,
avg(ss_net_profit) rank_col
FROM store_sales ss1
WHERE ss_store_sk = 4
GROUP BY ss_item_sk
HAVING avg(ss_net_profit) > 0.9*
(SELECT avg(ss_net_profit) rank_col
FROM store_sales
WHERE ss_store_sk = 4
AND ss_addr_sk IS NULL
GROUP BY ss_store_sk))V1)V11
WHERE rnk < 11) asceding,
(SELECT *
FROM
(SELECT item_sk,
rank() OVER (
ORDER BY rank_col DESC) rnk
FROM
(SELECT ss_item_sk item_sk,
avg(ss_net_profit) rank_col
FROM store_sales ss1
WHERE ss_store_sk = 4
GROUP BY ss_item_sk
HAVING avg(ss_net_profit) > 0.9*
(SELECT avg(ss_net_profit) rank_col
FROM store_sales
WHERE ss_store_sk = 4
AND ss_addr_sk IS NULL
GROUP BY ss_store_sk))V2)V21
WHERE rnk < 11) descending,
item i1,
item i2
WHERE asceding.rnk = descending.rnk
AND i1.i_item_sk=asceding.item_sk
AND i2.i_item_sk=descending.item_sk
ORDER BY asceding.rnk
LIMIT 100;