列データを複数の列を持つ単一の行に変換する必要があります
例-列のデータをロードするための一時テーブルを作成しました
CREATE TABLE TestC (Comments Char(100), Row_Count [int] IDENTITY(1,1))
INSERT INTO TestC VALUES('A'),('B'),('C'),('D')
Select Min( Case When Row_Count = 1 Then Comments End ) As Comments
, Min( Case When Row_Count = 2 Then Comments End ) As Comments
, Min( Case When Row_Count = 3 Then Comments End ) As Comments
, Min( Case When Row_Count = 4 Then Comments End ) As Comments
, Min( Case When Row_Count = 5 Then Comments End ) As Comments
, Min( Case When Row_Count = 6 Then Comments End ) AS Comments
, Min( Case When Row_Count = 7 Then Comments End ) AS Comments
FROM TestC
私はそれを動的クエリにしようとしています。以下は私が現在試しているコードスニペットです
DECLARE @sql AS NVARCHAR (MAX);
SELECT @sql = ' SELECT Min (CASE WHEN [Row_Count] =' + CAST ([Row_Count] AS CHAR(5)) +
' THEN [Comments] END) AS Comments'
FROM [dbo].[TestC];
SET @sql = @sql + N' FROM [dbo].[TestC] ';
PRINT @sql
EXECUTE sp_executesql @sql;
これにはまだ微調整が必要です。あなたの助けに感謝..