1.分頁方案一：(利用Not In和SELECT TOP分頁)效率次之?
語句形式：?
SELECT TOP 10 * FROM TestTable?
WHERE(ID NOT IN (SELECT TOP 20??id FROM??TestTable??ORDERBY??id))?? ORDERBYID?
SELECT??TOP 頁大小 * FROM TestTable?????
WHERE( ID NOT IN　(SELECT??TOP??每頁大小-1*待查詢頁數-1??id??FROM??表　ORDERBY??id)) ORDERBYID?
思路:先查詢出待查詢頁之前的全部條數的id,查詢ID不在這些ID中的指定數量條數?

2.分頁方案二：(利用ID大于多少和SELECT TOP分頁)效率最高?
語句形式：?
SELECT??TOP??10 *?? FROM??TestTable?????
WHERE(ID> (SELECT MAX(id) FROM(SELECT TOP20 id??FROM??TestTable ORDERBYid)AST))ORDERBYID?????
SELECT??TOP??頁大小* FROM??TestTable?????
WHERE(ID>(SELECTMAX(id)FROM(SELECT TOP 每頁大小*待查詢頁數-1??id??FROM表??ORDERBYid)AST)) ORDERBYID?
思路:先獲得待查詢頁的之前全部條數id,獲得它們當中最大的ID號,以此最大ID號為標志,查找比這個ID號大的指定條數?

3.分頁方案三：?
SELECT TOP PageSize * FROM(SELECT TOP nPage*PageSize * from YOURTABLE order by id)as a order by id desc?
SELECT TOP 每頁條數 * FROM (SELECT TOP 待查詢頁*每頁條數) * from YOURTABLE order by id)as a order by id desc?
思路:先正排序查詢出待查詢頁之前(包括當前頁)的全部條數,然后將其倒排序,取指定條數?
4.分頁方案四：?
(利用SQL的游標存儲過程分頁)?
create　procedureSqlPager?
@sqlstrnvarchar(4000),--查詢字符串?
@currentpageint,--第N頁?
@pagesizeint--每頁行數?
as?
setnocounton?
[email=[ft=,2,]declare@P1int,--P1]declare@P1int,--P1[/email]是游標的id?
@rowcountint?
[email=execsp_cursoropen@P1output,@sqlstr,@scrollopt=1,@ccopt=1,@rowcount=@rowcountoutput]execsp_cursoropen@P1output,@sqlstr,@scrollopt=1,@ccopt=1,@rowcount=@rowcountoutput[/email]?
????????????selectceiling([email=[ft=,2,]1.0*@rowcount/@pagesize)as]1.0*@rowcount/@pagesize)as[/email]總頁數--,@rowcountas總行數,@currentpageas當前頁?
????????????[email=set@currentpage=(@currentpage-1)*@pagesize+1]set@currentpage=(@currentpage-1)*@pagesize+1[/email]?
????????????[email=[ft=,2,]execsp_cursorfetch@P1,16,@currentpage,@pagesize]execsp_cursorfetch@P1,16,@currentpage,@pagesize[/email]?
????????????[email=[ft=,2,]execsp_cursorclose@P1]execsp_cursorclose@P1[/email]?
????????????setnocountoff?
其它的方案：如果沒有主鍵，可以用臨時表，也可以用方案三做，但是效率會低。?
建議優化的時候，加上主鍵和索引，查詢效率會提高。?

1.Oracle:
??select * from ( select row_.*, rownum rownum_ from ( query_SQL ) row_ where rownum =< max) where rownum_ >= min
2.SQL Server:
??select top @pagesize * from tablename where id not in (select top @pagesize*(@page-1) id from tablename order by id) order by id
3.MySQL
??select * from tablename limit position, counter
4.DB2
??select * from (select *,rownumber() as ROW_NEXT from tablename) where ROW_NEXT between min and max?

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