SQL分页语句三方案

2014-11-24 14:42:36 · 作者: · 浏览: 0
SQL分页语句三方案
方法一:

SELECT TOP 页大小 *
FROM table1
WHERE id NOT IN
          (
          SELECT TOP 页大小*(页数-1) id FROM table1 ORDER BY id
          )
ORDER BY id
 方法二:

SELECT TOP 页大小 *
FROM table1
WHERE id >
          (
          SELECT ISNULL(MAX(id),0) 
          FROM
                (
                SELECT TOP 页大小*(页数-1) id FROM table1 ORDER BY id
                ) A
          )
ORDER BY id
 方法二倒序:

SELECT TOP 页大小 * 
FROM table1 
WHERE ID <= 
    ( 
    SELECT ISNULL(MIN(ID),(SELECT MAX(ID) FROM table1 )) 
    FROM
        ( 
        SELECT TOP (页大小*(页数-1)) ID FROM tbl_files ORDER BY ID DESC
        ) A 
    ) 
ORDER BY ID DESC
 方法三

SELECT TOP 页大小 * 
FROM
        (
        SELECT ROW_NUMBER() OVER (ORDER BY id) AS RowNumber,* FROM table1
        ) A
WHERE RowNumber >
页大小*(页数-1)

分页方案二:(利用ID大于多少和SELECT TOP分页)效率最高,需要拼接SQL语句
分页方案一:(利用Not In和SELECT TOP分页) 效率次之,需要拼接SQL语句
分页方案三:(利用SQL的游标存储过程分页) 效率最差,但是最为通用