ÆôÓÃMSSQL·Ö²¼Ê½ÊÂÎñµÄ³£¼ûÎÊÌâ
ÈçºÎ´´½¨Á´½Ó·þÎñÆ÷
IF EXISTS (SELECT srv.name from sys.servers srv WHERE srv.server_id != 0 AND srv.name = N'Á´½Ó·þÎñÆ÷Ãû')
EXEC master.dbo.sp_dropserver @server=N'Á´½Ó·þÎñÆ÷Ãû'', @droplogins='droplogins'
GO
EXEC master.dbo.sp_addlinkedserver
@server = N'Á´½Ó·þÎñÆ÷Ãû'', @srvproduct=N'SQLNCLI', @provider=N'SQLNCLI', @datasrc=N'Á´½Ó·þÎñÆ÷IPµØÖ·'
EXEC master.dbo.sp_addlinkedsrvlogin
@rmtsrvname=N'Á´½Ó·þÎñÆ÷Ãû'',@useself=N'False',@locallogin=NULL,@rmtuser=N'sa',@rmtpassword='Á´½Ó·þÎñÆ÷ÃÜÂë'
Æô¶¯DTC·þÎñ
·þÎñÃû³Æ£ºDistributed Transaction Coordinator
ÃüÁîÐÐÆô¶¯£ºnet start MSDTC
ÉèÖ÷ÃÎÊȨÏÞ
windows2003&xp
²Î¿¼£ºhttp://support.microsoft.com/kb/817064/zh-cn
windows2008
²Î¿¼£ºhttp://technet.microsoft.com/zh-cn/library/cc753510(WS.10).aspx
Ïà¹ØÎĵµ£º
Óï·¨
CREATE PROC[ EDURE ] [ owner. ] procedure_name [ ; number ]
[ { @parameter data_type }
[ VARYING ] [ = default ] [ OUTPUT ]
&n ......
sql´æ´¢¹ý³Ì½Ì³Ì
[ËѼ¯ÕûÀí]sql´æ´¢¹ý³ÌÍêÈ«½Ì³Ì
Ŀ¼
1.sql´æ´¢¹ý³Ì¸ÅÊö
2.SQL´æ´¢¹ý³Ì´´½¨
3.sql´æ´¢¹ý³Ì¼°Ó¦ÓÃ
4.¸÷ÖÖ´æ´¢¹ý³ÌʹÓÃÖ¸ÄÏ
5.ASPÖд洢¹ý³Ìµ÷ÓõÄÁ½ÖÖ·½Ê½¼°±È½Ï
6.SQL´æ´¢¹ý³ÌÔÚ.NETÊý¾Ý¿âÖеÄÓ¦ÓÃ
7.ʹÓÃSQL´æ´¢¹ý³ÌÒªÌØ±ð×¢ÒâµÄÎÊÌâ
1.sql´æ´¢¹ý³Ì¸ÅÊö
ÔÚ´óÐÍÊý¾Ý¿âϵͳÖУ¬´æ´ ......
²éѯÓï¾äÖ»ÒªÕâÑùд,¾Í¿ÉÒÔËæ»úÈ¡³ö¼Ç¼ÁË
SQL="Select top 6 * from Dv_bbs1 where isbest = 1 and layer = 1 order by newID() desc"
ÔÚACCESSÀï
SELECT top 15 id from tablename order by rnd(id)
SQL Server£º
Select TOP N * from TABLE Order By NewID()
Access£º
Select TOP N * from TABLE Order By Rnd(ID ......
Sql2005ÖÐʹÓÃow_number() partition½øÐзÖ×éʵÑ飬
SQL£º
select * from stu
select id,row_number() over (partition by snm order by id) from stu
½á¹û£º
id snm
----------------
111 111V
111 111W
222 222N
333 3123
444 3123
555 3123
666 3232
777 3232
--·Ö×éºóµÄ½á¹û
id &n ......
×î½üÓиöС¶«Î÷Òª²é¿´mssqlÊý¾Ý¿âÊÇÓÃphpʵÏֵģ¬ÒÔǰÎÒÓÃphp5.2ʱ¸Ð¾õͦ¼òµ¥µÄËùÒÔÏëphp5.3Ò²Ó¦¸ÃºÜ¼òµ¥µÄ
ΪʲôҪÓÃphp5.3ÄØÒòΪÎÒÏëÓÃsqlite3.0µÄ°¡£¬ÒòΪphp5.2µÄ²»Ö§³Ösqlite3.0µÄ°¡£¬ËùÒÔÎÒÌØÒâÈ¥ÏÂÁË5.3ÁËÏÂÔØ»ØÀ´Á˲ŷ¢ÏÖ5.3ÀïûÓÐmssqlµÄdllÀ©Õ¹ÁË£¬ÓôÃÆ°¡£¬²»¹ÜÕâô¶àÏÈÓÃÆðÄÇsqlite3.0ÔÙ˵ÁË
sqlite3.0µÄ²¿·Ö ......