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我收到此錯誤: 必須聲明標量變量「@ TempTable1」。 如果我從@ Temptable1附近刪除單引號但沒有返回任何行,查詢就可以工作。聲明存儲過程中的標量變量
ALTER PROCEDURE dbo.StoredProcedure2
@Studentcode int
AS
DECLARE @sql AS nvarchar(max)
DECLARE @pivot_list AS nvarchar(max) -- Leave NULL for COALESCE technique
DECLARE @select_list AS nvarchar(max) -- Leave NULL for COALESCE technique
Declare @TempTable1 AS table(CourseTitel nvarchar(50) , Grade nvarchar(50))
INSERT INTO @TempTable1 (CourseTitel, Grade)
SELECT Courses.CourseTitel, Status.Status
FROM Status
INNER JOIN Courses ON Status.CourseCode = Courses.CourseCode
WHERE (Status.StudentCode = @Studentcode)
SELECT @pivot_list = COALESCE(@pivot_list + ', ','') + '[' + CONVERT(varchar, PIVOT_CODE) + ']',
@select_list = COALESCE(@select_list + ', ','') + '[' + CONVERT(varchar, PIVOT_CODE) + '] AS [col_' + CONVERT(varchar, PIVOT_CODE) + ']'
FROM (SELECT DISTINCT PIVOT_CODE
FROM (SELECT CourseTitel, Grade, ROW_NUMBER() OVER (PARTITION BY CourseTitel ORDER BY Grade) AS PIVOT_CODE
FROM @TempTable1)
AS rows)
AS PIVOT_CODES
SET @sql = ';WITH p AS (SELECT CourseTitel, Grade,
ROW_NUMBER() OVER (PARTITION BY urseTitel ORDER BY Grade) AS PIVOT_CODE
FROM ' + @TempTable1 + ') SELECT CourseTitel, ' + select_list + '
FROM p PIVOT (MIN(Grade)FOR PIVOT_CODE IN (' + @pivot_list + ')) AS pvt'
--PRINT (@sql)
EXEC (@sql)
/* SET NOCOUNT ON */