行转列PIVOT用法

CREATE TABLE [dbo].[StudentScore](
    [ID] [int] IDENTITY(1,1) NOT NULL PRIMARY KEY,
    [StudentCard] [varchar](50) NOT NULL,
    [StudentName] [nvarchar](5) NOT NULL,
    [Type]  [nvarchar](10) NOT NULL,
    [Course] [nvarchar](10) NOT NULL,
    [Score] [float] NOT NULL,     
) 

INSERT INTO StudentScore VALUES(‘001‘,‘小明‘,‘考试1‘,‘语文‘,80)
INSERT INTO StudentScore VALUES(‘002‘,‘小红‘,‘考试1‘,‘语文‘,60)
INSERT INTO StudentScore VALUES(‘003‘,‘小王‘,‘考试1‘,‘语文‘,55)
INSERT INTO StudentScore VALUES(‘004‘,‘小龙‘,‘考试1‘,‘语文‘,90)
INSERT INTO StudentScore VALUES(‘005‘,‘小军‘,‘考试1‘,‘语文‘,72)

INSERT INTO StudentScore VALUES(‘001‘,‘小明‘,‘考试1‘,‘数学‘,90)
INSERT INTO StudentScore VALUES(‘002‘,‘小红‘,‘考试1‘,‘数学‘,65)
INSERT INTO StudentScore VALUES(‘003‘,‘小王‘,‘考试1‘,‘数学‘,52)
INSERT INTO StudentScore VALUES(‘004‘,‘小龙‘,‘考试1‘,‘数学‘,91)
INSERT INTO StudentScore VALUES(‘005‘,‘小军‘,‘考试1‘,‘数学‘,82)

INSERT INTO StudentScore VALUES(‘001‘,‘小明‘,‘考试1‘,‘英语‘,70)
INSERT INTO StudentScore VALUES(‘002‘,‘小红‘,‘考试1‘,‘英语‘,80)
INSERT INTO StudentScore VALUES(‘003‘,‘小王‘,‘考试1‘,‘英语‘,75)
INSERT INTO StudentScore VALUES(‘004‘,‘小龙‘,‘考试1‘,‘英语‘,60)
INSERT INTO StudentScore VALUES(‘005‘,‘小军‘,‘考试1‘,‘英语‘,62)


INSERT INTO StudentScore VALUES(‘001‘,‘小明‘,‘考试2‘,‘语文‘,82)
INSERT INTO StudentScore VALUES(‘002‘,‘小红‘,‘考试2‘,‘语文‘,68)
INSERT INTO StudentScore VALUES(‘003‘,‘小王‘,‘考试2‘,‘语文‘,58)
INSERT INTO StudentScore VALUES(‘004‘,‘小龙‘,‘考试2‘,‘语文‘,93)
INSERT INTO StudentScore VALUES(‘005‘,‘小军‘,‘考试2‘,‘语文‘,75)

INSERT INTO StudentScore VALUES(‘001‘,‘小明‘,‘考试2‘,‘数学‘,92)
INSERT INTO StudentScore VALUES(‘002‘,‘小红‘,‘考试2‘,‘数学‘,69)
INSERT INTO StudentScore VALUES(‘003‘,‘小王‘,‘考试2‘,‘数学‘,58)
INSERT INTO StudentScore VALUES(‘004‘,‘小龙‘,‘考试2‘,‘数学‘,93)
INSERT INTO StudentScore VALUES(‘005‘,‘小军‘,‘考试2‘,‘数学‘,88)

INSERT INTO StudentScore VALUES(‘001‘,‘小明‘,‘考试2‘,‘英语‘,77)
INSERT INTO StudentScore VALUES(‘002‘,‘小红‘,‘考试2‘,‘英语‘,88)
INSERT INTO StudentScore VALUES(‘003‘,‘小王‘,‘考试2‘,‘英语‘,78)
INSERT INTO StudentScore VALUES(‘004‘,‘小龙‘,‘考试2‘,‘英语‘,66)
INSERT INTO StudentScore VALUES(‘005‘,‘小军‘,‘考试2‘,‘英语‘,63)

SELECT [语文],[数学],[英语] FROM
(
    select Course,Score from StudentScore  
) AS s
PIVOT
(
    MAX(Score) FOR Course IN ([语文],[数学],[英语])
) AS t

SELECT [Type],[语文],[数学],[英语] FROM
(
    select [Type],Course,Score from StudentScore  
) AS s
PIVOT
(
    MAX(Score) FOR Course IN ([语文],[数学],[英语])
) AS t

SELECT [Type],[语文],[数学],[英语] FROM StudentScore
PIVOT
(
    MAX(Score) FOR Course IN ([语文],[数学],[英语])
) AS pvt