谁能帮我解释一下什么是数据库分页？
如题，实现数据库分页的sql语句又是什么样的呢？谢谢

------解决方案--------------------
CREATE PROCEDURE p_Pagination
/*
***************************************************************
参数说明:
1.Tables :表名称,视图
2.PrimaryKey :主关键字
3.Sort :排序语句，不带Order By 比如：NewsID Desc,OrderRows Asc
4.CurrentPage :当前页码
5.PageSize :分页尺寸
6.Filter :过滤语句，不带Where
7.Group :Group语句,不带Group By
***************************************************************/
(
@Tables varchar(1000),
@PrimaryKey varchar(100),
@Sort varchar(200) = NULL,
@CurrentPage int = 1,
@PageSize int = 10,
@Fields varchar(1000) = '* ',
@Filter varchar(1000) = NULL,
@Group varchar(1000) = NULL
)
AS
/*默认排序*/
IF @Sort IS NULL OR @Sort = ' '
SET @Sort = @PrimaryKey
DECLARE @SortTable varchar(100)
DECLARE @SortName varchar(100)
DECLARE @strSortColumn varchar(200)
DECLARE @operator char(2)
DECLARE @type varchar(100)
DECLARE @prec int
/*设定排序语句.*/
IF CHARINDEX( 'DESC ',@Sort)> 0
BEGIN
SET @strSortColumn = REPLACE(@Sort, 'DESC ', ' ')
END
ELSE
BEGIN
IF CHARINDEX( 'ASC ', @Sort) > 0
begin
SET @strSortColumn = REPLACE(@Sort, 'ASC ', ' ')
end

END
IF CHARINDEX( '. ', @strSortColumn) > 0
BEGIN
SET @SortTable = SUBSTRING(@strSortColumn, 0, CHARINDEX( '. ',@strSortColumn))
SET @SortName = SUBSTRING(@strSortColumn, CHARINDEX( '. ',@strSortColumn) + 1, LEN(@strSortColumn))
END
ELSE
BEGIN
SET @SortTable = @Tables
SET @SortName = @strSortColumn
END
SELECT @type=t.name, @prec=c.prec
FROM sysobjects o
JOIN syscolumns c on o.id=c.id
JOIN systypes t on c.xusertype=t.xusertype
WHERE o.name = @SortTable AND c.name = @SortName
IF CHARINDEX( 'char ', @type) > 0
SET @type = @type + '( ' + CAST(@prec AS varchar) + ') '
DECLARE @strPageSize varchar(50)
DECLARE @strStartRow varchar(50)
DECLARE @strFilter varchar(1000)
DECLARE @strSimpleFilter varchar(1000)
DECLARE @strGroup varchar(1000)
/*默认当前页*/
IF @CurrentPage < 1
SET @CurrentPage = 1
/*设置分页参数.*/
SET @strPageSize = CAST(@PageSize AS varchar(50))
SET @strStartRow = CAST(((@CurrentPage - 1)*@PageSize) AS varchar(50))
/*筛选以及分组语句.*/
IF @Filter IS NOT NULL AND @Filter != ' '
BEGIN
SET @strFilter = ' WHERE ' + @Filter + ' '
SET @strSimpleFilter = @Filter + ' '
END
ELSE
BEGIN
SET @strSimpleFilter = ' '
SET @strFilter = ' '
END
IF @Group IS NOT NULL AND @Group != ' '
SET @strGroup = ' GROUP BY ' + @Group + ' '
ELSE
SET @strGroup = ' '

exec(
'select top '+ @strPageSize+ ' * from '+@Tables+ ' where '+@PrimaryKey+ ' not in ( select top '+@strStartRow + ' '+@PrimaryKey+ ' from '+ @Tables + ' WHERE ' + @strSimpleFilter + ' ' + @strGroup + ' ORDER BY ' + @Sort + ') and '+ @strSimpleFilter + ' ' + @strGroup + ' ORDER BY ' + @Sort
)


GO
------解决方案--------------------
http://blog.csdn.net/hertcloud/category/281167.aspx