このメソッドは、各タイプの行が多数ある場合にのみ機能します
q1min は第 1 四半期の最小値 (全体の最小値)
q2min は第 2 四半期 (第 1 四分位数) の最小値です
q3max は第 3 四半期 (第 3 四分位数) の最大値です。
q4max は第 4 四半期の最大値 (全体の最大値)
declare @my_table table (vertical varchar(50),[Defects(F)] int, [Defects(NF)] int);
insert into @my_table values ('Billing',193,678);
insert into @my_table values ('Provi',200,906);
insert into @my_table values ('Billing',232,111);
insert into @my_table values ('Analyt',67,0);
insert into @my_table values ('Provi',121,690);
insert into @my_table values ('Billing',111,678);
insert into @my_table values ('Billing',111,678);
insert into @my_table values ('Billing',111,678);
insert into @my_table values ('Billing',111,678);
insert into @my_table values ('Billing',111,678);
insert into @my_table values ('Billing',111,678);
insert into @my_table values ('Billing',111,678);
WITH cte as (
select
vertical,
[Defects(F)]+[Defects(NF)] as defects
from @my_table
),
PivotData AS
(
select
vertical,
CASE WHEN quartile in (1,2) THEN MIN(defects) ELSE MAX(defects) END m,
quartile
from (
select
vertical,
defects,
ntile(4) over (PARTITION BY vertical order by defects) as quartile
from cte
) i
group by vertical, quartile
)
select vertical, [1] as q1min, [2] as q2min, [3] as q3max, [4] as q4max
FROM PivotData
PIVOT (SUM(m) FOR quartile in ([1],[2],[3],[4])) as p;