SQLÈ¡³öµÚ m Ìõµ½µÚ n Ìõ¼Ç¼µÄ·½·¨
´ÓTable ±íÖÐÈ¡³öµÚ m Ìõµ½µÚ n ÌõµÄ¼Ç¼£º(Not In °æ±¾)
SELECT TOP n-m+1 *
from Table
WHERE (id NOT IN (SELECT TOP m-1 id from Table ))
--´ÓTABLE±íÖÐÈ¡³öµÚmµ½nÌõ¼Ç¼ (Exists°æ±¾)
SELECT TOP n-m+1 * from TABLE AS a WHERE Not Exists
(Select * from (Select Top m-1 * from TABLE order by id) b Where b.id=a.id )
Order by id
--mΪÉϱ꣬nΪϱê,ÀýÈçÈ¡³öµÚ8µ½12Ìõ¼Ç¼,m=8,n=12,TableΪ±íÃû
Select Top n-m+1 * from Table
Where Id>(Select Max(Id) from
(Select Top m-1 Id from Table Order By Id Asc) Temp)
Order By Id Asc
1. Select Top n-m+1 * from Table Where Id>(Select Top m-1 Id from Table Order By Id Asc) Order By Id Asc
2. SQL Server 2005 ÖпÉÒÔÓà ROW_NUMBER£¨£© OVER£¨£©ÅäºÏÈ¡·ÖÒ³Êý¾ÝÁË¡£
DECLARE @StartRow INT
DECLARE @PageSize INT
SET ROWCOUNT 0
SET @StartRow = 100
SET @PageSize = 10
SELECT * from
(
SELECT ROW_NUMBER() OVER (ORDER BY Name) AS RowNumber,* from Person
) AS A WHERE A.RowNumber BETWEEN @StartRow + 1 AND @StartRow + @PageSize
3. select top n-m+1 from A where id not in (select m-1 id from A)
Ïà¹ØÎĵµ£º
Æô¶¯ÓëÅäÖòÎÊý ¸ü¸ÄϵͳԪÊý¾ÝºÍ²ÎÊýÅäÖà ¶¯Ì¬ÊÓͼ ´æ´¢µÄÎïÀíºÍÂß¼½á¹¹ Æô¶¯ºÍ¹Ø±Õ
topÆô¶¯ÓëÅäÖòÎÊý
ÔÚSQL Server°²×°µÄʱºò£¬Í¬Ê±Ò²»áÍùWindows×¢²á±íÀïÃæÌí¼ÓһЩ¼Ç¼£¬ÕâЩע²á±í¼üÖµÖ¸¶¨ÁËʵÀýËùÐèÒªµÄ¸÷ÖÖ²ÎÊý¡£±ÈÈ磬ÓеÄ×¢²á±í¼üÖµÖ¸¶¨ÁË´íÎóÈÕÖ¾µÄ±£´æÄ¿Â¼£¬ÁíÍâµÄÖ¸¶¨ÁËĬÈϵı¸·ÝĿ¼µÈµÈ¡£SQL ServerÔÚÔ ......
SQL ServertimestampÊý¾ÝÀàÐÍÓëʱ¼äºÍÈÕÆÚÎ޹ء£SQL ServertimestampÊǶþ½øÖÆÊý×Ö£¬Ëü±íÃ÷Êý¾Ý¿âÖÐÊý¾ÝÐ޸ķ¢ÉúµÄÏà¶Ô˳Ðò¡£ÊµÏÖtimestampÊý¾ÝÀàÐÍ×î³õÊÇΪÁËÖ§³Ö SQL Server »Ö¸´Ëã·¨¡£Ã¿´ÎÐÞ¸Äҳʱ£¬¶¼»áʹÓõ±Ç°µÄ @@DBTS Öµ¶ÔÆä×öÒ»´Î±ê¼Ç£¬È»ºó @@DBTS ¼Ó1¡£ÕâÑù×ö×ãÒÔ°ïÖú»Ö¸´¹ý³ÌÈ·¶¨Ò³Ð޸ĵÄÏà¶Ô´ÎÐò£¬µ«ÊÇtimest ......
¡¡¡¡1. SQL ServerµÄϵͳ±í
¡¡¡¡MicrosoftµÄSQL ServerÊÇÒ»¸ö¿ÉÉìËõµÄ¸ßÐÔÄÜÊý¾Ý¿â¹ÜÀíϵͳ£¬×¨Îª·Ö²¼Ê½¿Í»§»ú/·þ
ÎñÆ÷»·¾³¶øÉè¼Æ£¬SQL Server¼¸ºõ½«ËùÓеÄÅäÖÃÐÅÏ¢¡¢°²È«ÐÔÐÅÏ¢ºÍ¶ÔÏóÐÅÏ¢¶¼´æ´¢ÔÚÁËËü×Ô
ÉíµÄϵͳ±íÖУ¬¶øÏµÍ³±í´æÔÚÓÚÿ¸ö¶ÀÁ¢µÄÊý¾Ý¿âÖУ¬´æ´¢Ò»¸öÌØ¶¨Êý¾Ý¿â¶ÔÏóÐÅÏ¢µÄϵͳ±í
ͨ³£³ÆÎªÊý¾Ý¿âĿ¼£¬M ......
ÐÐÁе¹ÖÃÔÚsql serverÖÐÊÇÒ»Öֺܳ£¼ûµÄ¼¼ÇÉ£¬ÔÚ×öÓ¦ÓÃϵͳµÄʱºò£¬¾³£ÐèÒª×öһЩͳ¼Æ¹¦ÄܱÜÃâ²»ÁËʹÓÃÐÐÁе¹ÖÃÕâ¸ö¼¼ÇÉ£¬ÎÒССµÄ×öÁËÒ»ÏÂ×ܽ᣺
µÚÒ»ÖÖ£ºsql server 2000ÖÐʹÓÃcase½øÐÐÐÐÁе¹ÖÃ
create table RowCellConvertTest
(
grade varchar(50),
sex varchar(50),
studentCount int
)
......
sql Ìí¼ÓзÖÇø
ALTER PARTITION SCHEME SCH_Source_ID_DT_ID
NEXT USED sn3
go
ALTER PARTITION FUNCTION [PF_Source_ID_DT_ID]()
SPLIT RANGE ('350000')
ɾ³ý·ÖÇø
±à¼
ALTER PARTITION FUNCTION [PF_Source_ID_DT_ID]( ......