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SELECT
TOP 100
dt.d_year,
item.i_category_id,
item.i_category,
SUM(ss_ext_sales_price)
FROM date_dim AS dt, store_sales, item
WHERE
dt.d_date_sk = store_sales.ss_sold_date_sk
AND store_sales.ss_item_sk = item.i_item_sk
AND item.i_manager_id = 1
AND dt.d_moy = 12
AND dt.d_year = 1998
GROUP BY
dt.d_year,
item.i_category_id,
item.i_category
ORDER BY
SUM(ss_ext_sales_price) DESC,
dt.d_year,
item.i_category_id,
item.i_category;
Step details
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Green: scan · yellow: join · purple: row movement. Rows and costs are optimiser estimates; costs use model units.