Database Challenges

-- File Name: rob_farley_tsqlchallenge_15_2.sql

/* Second option, using an INNER JOIN */
WITH 
Xs AS (
	SELECT *, 'X' AS X
	FROM 
		@Cols c
		JOIN
		@Rows r
		ON r.row % c.col = 0
)
SELECT Row, ISNULL([1],'') AS [1], ISNULL([2],'') AS [2], ISNULL([3],'') AS [3], ISNULL([4],'') AS [4], ISNULL([5],'') AS [5], ISNULL([6],'') AS [6], ISNULL([7],'') AS [7], ISNULL([8],'') AS [8], ISNULL([9],'') AS [9]
FROM Xs
	PIVOT
	(MAX(X) FOR Col IN ([1],[2],[3],[4],[5],[6],[7],[8],[9])) pvt
;

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