52 lines
2.1 KiB
SQL
52 lines
2.1 KiB
SQL
with inv as
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(select w_warehouse_name,w_warehouse_sk,i_item_sk,d_moy
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,stdev,mean, case mean when 0 then null else stdev/mean end cov
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from(select w_warehouse_name,w_warehouse_sk,i_item_sk,d_moy
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,stddev_samp(inv_quantity_on_hand) stdev,avg(inv_quantity_on_hand) mean
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from inventory
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,item
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,warehouse
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,date_dim
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where inv_item_sk = i_item_sk
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and inv_warehouse_sk = w_warehouse_sk
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and inv_date_sk = d_date_sk
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and d_year =2000
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group by w_warehouse_name,w_warehouse_sk,i_item_sk,d_moy) foo
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where case mean when 0 then 0 else stdev/mean end > 1)
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select inv1.w_warehouse_sk,inv1.i_item_sk,inv1.d_moy,inv1.mean, inv1.cov
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,inv2.w_warehouse_sk,inv2.i_item_sk,inv2.d_moy,inv2.mean, inv2.cov
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from inv inv1,inv inv2
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where inv1.i_item_sk = inv2.i_item_sk
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and inv1.w_warehouse_sk = inv2.w_warehouse_sk
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and inv1.d_moy=2
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and inv2.d_moy=2+1
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order by inv1.w_warehouse_sk,inv1.i_item_sk,inv1.d_moy,inv1.mean,inv1.cov
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,inv2.d_moy,inv2.mean, inv2.cov
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;
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with inv as
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(select w_warehouse_name,w_warehouse_sk,i_item_sk,d_moy
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,stdev,mean, case mean when 0 then null else stdev/mean end cov
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from(select w_warehouse_name,w_warehouse_sk,i_item_sk,d_moy
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,stddev_samp(inv_quantity_on_hand) stdev,avg(inv_quantity_on_hand) mean
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from inventory
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,item
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,warehouse
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,date_dim
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where inv_item_sk = i_item_sk
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and inv_warehouse_sk = w_warehouse_sk
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and inv_date_sk = d_date_sk
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and d_year =2000
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group by w_warehouse_name,w_warehouse_sk,i_item_sk,d_moy) foo
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where case mean when 0 then 0 else stdev/mean end > 1)
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select inv1.w_warehouse_sk,inv1.i_item_sk,inv1.d_moy,inv1.mean, inv1.cov
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,inv2.w_warehouse_sk,inv2.i_item_sk,inv2.d_moy,inv2.mean, inv2.cov
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from inv inv1,inv inv2
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where inv1.i_item_sk = inv2.i_item_sk
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and inv1.w_warehouse_sk = inv2.w_warehouse_sk
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and inv1.d_moy=2
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and inv2.d_moy=2+1
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and inv1.cov > 1.5
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order by inv1.w_warehouse_sk,inv1.i_item_sk,inv1.d_moy,inv1.mean,inv1.cov
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,inv2.d_moy,inv2.mean, inv2.cov
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;
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