Q&A for professional and enthusiast programmers
DECLARE @ INT = ##Size:INT?7##; SELECT IIF(u IN(1,s),REPLICATE(s,s),CONCAT(s,REPLICATE(' ',s-2*LEN(s)),s)) FROM(SELECT @ s)z CROSS APPLY(SELECT TOP(s)ROW_NUMBER()OVER(ORDER BY 1/0)u FROM sys.messages)v