SQL存储过程分页

CREATE PROC ZDY_FY(@Pages INT, @pageRow INT)  --@Pages第几页  @pageRow每页显示几行
AS
BEGIN
    DECLARE @starNum     INT,    --开始行
            @endNum      INT    --结束行

    SET @starNum = (@Pages -1) * @pageRow
    SET @endNum = @starNum + @pageRow

    SELECT
           *
    FROM
           (
               SELECT
                      ROW_NUMBER() OVER(ORDER BY DJBH) AS ROWNUM,
                      *
               FROM
                      VW_LSXHMX
           ) AS A
    WHERE
           A.ROWNUM >= @starNum
           AND A.ROWNUM <= @endNum
END

/* EXEC zdy_fy 20000,30  --100万数据量,效率慢执行时间6秒