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with wss as
(select d_week_seq,
ss_store_sk,
sum(case when (d_day_name='Sunday') then ss_sales_price else null end) sun_sales,
sum(case when (d_day_name='Monday') then ss_sales_price else null end) mon_sales,
sum(case when (d_day_name='Tuesday') then ss_sales_price else null end) tue_sales,
sum(case when (d_day_name='Wednesday') then ss_sales_price else null end) wed_sales,
sum(case when (d_day_name='Thursday') then ss_sales_price else null end) thu_sales,
sum(case when (d_day_name='Friday') then ss_sales_price else null end) fri_sales,
sum(case when (d_day_name='Saturday') then ss_sales_price else null end) sat_sales
from store_sales,date_dim
where d_date_sk = ss_sold_date_sk
group by d_week_seq,ss_store_sk
)
select s_store_name1,s_store_id1,d_week_seq1
,sun_sales1/sun_sales2,mon_sales1/mon_sales2
,tue_sales1/tue_sales2,wed_sales1/wed_sales2,thu_sales1/thu_sales2
,fri_sales1/fri_sales2,sat_sales1/sat_sales2
from
(select s_store_name s_store_name1,wss.d_week_seq d_week_seq1
,s_store_id s_store_id1,sun_sales sun_sales1
,mon_sales mon_sales1,tue_sales tue_sales1
,wed_sales wed_sales1,thu_sales thu_sales1
,fri_sales fri_sales1,sat_sales sat_sales1
from wss,store,date_dim d
where d.d_week_seq = wss.d_week_seq and
ss_store_sk = s_store_sk and
d_month_seq between 1212 and 1212 + 11) y,
(select s_store_name s_store_name2,wss.d_week_seq d_week_seq2
,s_store_id s_store_id2,sun_sales sun_sales2
,mon_sales mon_sales2,tue_sales tue_sales2
,wed_sales wed_sales2,thu_sales thu_sales2
,fri_sales fri_sales2,sat_sales sat_sales2
from wss,store,date_dim d
where d.d_week_seq = wss.d_week_seq and
ss_store_sk = s_store_sk and
d_month_seq between 1212+ 12 and 1212 + 23) x
where s_store_id1=s_store_id2
and d_week_seq1=d_week_seq2-52
order by s_store_name1,s_store_id1,d_week_seq1
limit 100
