PIVOT方法演练

DECLARE @TEMP TABLE(ID CHAR(1),ODATE VARCHAR(8),OPERCENT FLOAT)
INSERT INTO @TEMP(ID,ODATE,OPERCENT)
SELECT 'A','20100701',0.71 UNION ALL
SELECT 'B','20100701',69.42 UNION ALL
SELECT 'C','20100701',67.74 UNION ALL
SELECT 'A','20100702',1 UNION ALL
SELECT 'B','20100702',2 UNION ALL
SELECT 'C','20100702',3;

SELECT * FROM @TEMP
PIVOT(MAX(OPERCENT) FOR ODATE IN([20100701],[20100702])) AS T