Seleccionar registros impares SQL
SELECT t.First, t.Last
FROM (
SELECT *, Row_Number() OVER(ORDER BY First, Last) AS RowNumber
--Row_Number() starts with 1
FROM Table1
) t
WHERE t.RowNumber % 2 = 0 --Even
--WHERE t.RowNumber % 2 = 1 --Odd
Encouraging Eland