एसक्यूएल सर्वर 2005 में एसक्यूएल टेबल की पिवट पर अतिरिक्त कॉलम कैसे बनाएं?

आपको PIVOT से पहले लेबलों को संयोजित करने की आवश्यकता है। कॉलम सूची को लेबल संभावनाओं के क्रॉस जॉइन का भी ध्यान रखना होगा:

SET NOCOUNT ON ; 

DECLARE @pivot_cols AS varchar(max) ; 
DECLARE @src AS TABLE 
    ( 
     ID int NOT NULL 
    ,Label varchar(14) NOT NULL 
    ,Numerator int NOT NULL 
    ,Denominator int NOT NULL 
    ,Ratio decimal(5, 4) NOT NULL 
    ) ; 

DECLARE @label_order AS TABLE 
    ( 
     Label varchar(14) NOT NULL 
    ,Sort int NOT NULL 
    ) 

DECLARE @sub_label_order AS TABLE 
    ( 
     SubLabel varchar(14) NOT NULL 
    ,Sort int NOT NULL 
    ) 

INSERT  INTO @src 
VALUES  (1, 'LabelNameOne', 41, 10, 4.1) ; 
INSERT  INTO @src 
VALUES  (1, 'LabelNameTwo', 0, 0, 0) ; 
INSERT  INTO @src 
VALUES  (1, 'LabelNameThree', 21, 10, 2.1) ; 
INSERT  INTO @src 
VALUES  (1, 'LabelNameFour', 15, 10, 1.5) ; 
INSERT  INTO @src 
VALUES  (2, 'LabelNameOne', 19, 19, 1) ; 
INSERT  INTO @src 
VALUES  (2, 'LabelNameTwo', 0, 0, 0) ; 
INSERT  INTO @src 
VALUES  (2, 'LabelNameThree', 15, 16, 0.9375) ; 
INSERT  INTO @src 
VALUES  (2, 'LabelNameFive', 19, 19, 1) ; 
INSERT  INTO @src 
VALUES  (2, 'LabelNameSix', 17, 17, 1) ; 
INSERT  INTO @src 
VALUES  (3, 'LabelNameOne', 12, 12, 1) ; 
INSERT  INTO @src 
VALUES  (3, 'LabelNameTwo', 0, 0, 0) ; 
INSERT  INTO @src 
VALUES  (3, 'LabelNameThree', 11, 12, 0.9167) ; 
INSERT  INTO @src 
VALUES  (3, 'LabelNameFour', 12, 12, 1) ; 
INSERT  INTO @src 
VALUES  (3, 'LabelNameSix', 0, 1, 0) ; 

INSERT  INTO @label_order 
VALUES  ('LabelNameOne', 1) ; 
INSERT  INTO @label_order 
VALUES  ('LabelNameTwo', 2) ; 
INSERT  INTO @label_order 
VALUES  ('LabelNameThree', 3) ; 
INSERT  INTO @label_order 
VALUES  ('LabelNameFour', 4) ; 
INSERT  INTO @label_order 
VALUES  ('LabelNameFive', 5) ; 
INSERT  INTO @label_order 
VALUES  ('LabelNameSix', 6) ; 

INSERT  INTO @sub_label_order 
VALUES  ('Numerator', 1) ; 
INSERT  INTO @sub_label_order 
VALUES  ('Denominator', 2) ; 
INSERT  INTO @sub_label_order 
VALUES  ('Ratio', 3) ; 

WITH    Labels 
          AS ( 
              SELECT  DISTINCT 
                        src.Label + sublabel.SubLabel AS Label
                       ,ISNULL(label_order.Sort, 0) AS Sort 
                       ,ISNULL(sublabel.Sort, 0) AS SubSort 
              FROM      @src AS src 
              CROSS JOIN @sub_label_order AS sublabel
              LEFT JOIN @label_order AS label_order 
                        ON src.label = label_order.label 
             ) 
    SELECT  @pivot_cols = COALESCE(@pivot_cols + ',', '') + QUOTENAME(Label, '[') 
    FROM    Labels 
    ORDER BY Sort 
           ,SubSort
           ,Label ; 

DECLARE @template AS varchar(max) ; 

SET @template = ' 
DECLARE @src AS TABLE 
    ( 
     ID int NOT NULL 
    ,Label varchar(14) NOT NULL 
    ,Numerator int NOT NULL 
    ,Denominator int NOT NULL 
    ,Ratio decimal(5, 4) NOT NULL 
    ) ; 

INSERT  INTO @src 
VALUES  (1, ''LabelNameOne'', 41, 10, 4.1) ; 
INSERT  INTO @src 
VALUES  (1, ''LabelNameTwo'', 0, 0, 0) ; 
INSERT  INTO @src 
VALUES  (1, ''LabelNameThree'', 21, 10, 2.1) ; 
INSERT  INTO @src 
VALUES  (1, ''LabelNameFour'', 15, 10, 1.5) ; 
INSERT  INTO @src 
VALUES  (2, ''LabelNameOne'', 19, 19, 1) ; 
INSERT  INTO @src 
VALUES  (2, ''LabelNameTwo'', 0, 0, 0) ; 
INSERT  INTO @src 
VALUES  (2, ''LabelNameThree'', 15, 16, 0.9375) ; 
INSERT  INTO @src 
VALUES  (2, ''LabelNameFive'', 19, 19, 1) ; 
INSERT  INTO @src 
VALUES  (2, ''LabelNameSix'', 17, 17, 1) ; 
INSERT  INTO @src 
VALUES  (3, ''LabelNameOne'', 12, 12, 1) ; 
INSERT  INTO @src 
VALUES  (3, ''LabelNameTwo'', 0, 0, 0) ; 
INSERT  INTO @src 
VALUES  (3, ''LabelNameThree'', 11, 12, 0.9167) ; 
INSERT  INTO @src 
VALUES  (3, ''LabelNameFour'', 12, 12, 1) ; 
INSERT  INTO @src 
VALUES  (3, ''LabelNameSix'', 0, 1, 0) ; 

WITH    src_conformed 
          AS ( 
              SELECT    ID 
                       ,Label 
                       ,CAST (Numerator AS decimal(10, 4)) AS Numerator 
                       ,CAST (Denominator AS decimal(10, 4)) AS Denominator 
                       ,CAST (Ratio AS decimal(10, 4)) AS Ratio 
              FROM      @src 
             ), 
        UNPIVOTED 
          AS ( 
              SELECT    * 
              FROM      src_conformed UNPIVOT ( Val FOR Col IN (Numerator, Denominator, Ratio) ) AS unpvt 
             )
             ,COMBINED AS (SELECT  ID, Label + Col AS NewLabel, Val
    FROM    UNPIVOTED)
    SELECT *
    FROM    COMBINED PIVOT ( SUM(Val) FOR NewLabel IN ({@pivot_cols}) ) AS pvt 
     ORDER BY ID ;' ; 

SET @template = REPLACE(@template, '{@pivot_cols}', @pivot_cols) ; 

EXEC (@template) ;