複数の列に分割された SQL 単一列

ORDER BY には一意の列が必要です 決定論的な結果が得られますが、これらの線に沿った何かが機能するはずです.

;WITH T
     AS (SELECT [FirstName],
                ( ROW_NUMBER() OVER (ORDER BY (SELECT 0)) - 1 ) / 4 AS Row,
                ( ROW_NUMBER() OVER (ORDER BY (SELECT 0)) - 1 ) % 4 AS Col
         FROM   [User])
SELECT [0] AS Column1,
       [1] AS Column2,
       [2] AS Column3,
       [3] AS Column4
FROM   T PIVOT (MAX(name) FOR Col IN ([0], [1], [2], [3])) P 
ORDER BY Row