SELECT *
FROM (SELECT
  i_manager_id,
  sum(ss_sales_price) sum_sales,
  avg(sum(ss_sales_price))
  OVER (PARTITION BY i_manager_id) avg_monthly_sales
FROM item
  , store_sales
  , date_dim
  , store
WHERE ss_item_sk = i_item_sk
  AND ss_sold_date_sk = d_date_sk
  AND ss_store_sk = s_store_sk
  AND d_month_seq IN (1200, 1200 + 1, 1200 + 2, 1200 + 3, 1200 + 4, 1200 + 5, 1200 + 6, 1200 + 7,
                            1200 + 8, 1200 + 9, 1200 + 10, 1200 + 11)
  AND ((i_category IN ('Books', 'Children', 'Electronics')
  AND i_class IN ('personal', 'portable', 'refernece', 'self-help')
  AND i_brand IN ('scholaramalgamalg #14', 'scholaramalgamalg #7',
                  'exportiunivamalg #9', 'scholaramalgamalg #9'))
  OR (i_category IN ('Women', 'Music', 'Men')
  AND i_class IN ('accessories', 'classical', 'fragrances', 'pants')
  AND i_brand IN ('amalgimporto #1', 'edu packscholar #1', 'exportiimporto #1',
                  'importoamalg #1')))
GROUP BY i_manager_id, d_moy) tmp1
WHERE CASE WHEN avg_monthly_sales > 0
  THEN abs(sum_sales - avg_monthly_sales) / avg_monthly_sales
      ELSE NULL END > 0.1
ORDER BY i_manager_id
  , avg_monthly_sales
  , sum_sales
LIMIT 100