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" ASC, "s_store_id1" ASC, "d_week_seq1" ASC
LIMIT 100
;