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sql server·ÃÎÊÔ¶³ÌÊý¾Ý¿â

--´´½¨Á´½Ó·þÎñÆ÷
exec sp_addlinkedserver   'ITSV ', ' ', 'SQLOLEDB ', 'Ô¶³Ì·þÎñÆ÷Ãû»òipµØÖ· '
exec sp_addlinkedsrvlogin 'ITSV ', 'false ',null, 'Óû§Ãû ', 'ÃÜÂë '
--²éѯʾÀý
select * from ITSV.Êý¾Ý¿âÃû.dbo.±íÃû
--µ¼ÈëʾÀý
select * into ±í from ITSV.Êý¾Ý¿âÃû.dbo.±íÃû
--ÒÔºó²»ÔÙʹÓÃʱɾ³ýÁ´½Ó·þÎñÆ÷
exec sp_dropserver  'ITSV ', 'droplogins '
--Á¬½ÓÔ¶³Ì/¾ÖÓòÍøÊý¾Ý(openrowset/openquery/opendatasource)
--1¡¢openrowset
--²éѯʾÀý
select * from openrowset( 'SQLOLEDB ', 'sql·þÎñÆ÷Ãû '; 'Óû§Ãû '; 'ÃÜÂë ',Êý¾Ý¿âÃû.dbo.±íÃû)
--Éú³É±¾µØ±í
select * into ±í from openrowset( 'SQLOLEDB ', 'sql·þÎñÆ÷Ãû '; 'Óû§Ãû '; 'ÃÜÂë ',Êý¾Ý¿âÃû.dbo.±íÃû)
--°Ñ±¾µØ±íµ¼ÈëÔ¶³Ì±í
insert openrowset( 'SQLOLEDB ', 'sql·þÎñÆ÷Ãû '; 'Óû§Ãû '; 'ÃÜÂë ',Êý¾Ý¿âÃû.dbo.±íÃû)
select *from ±¾µØ±í
--¸üб¾µØ±í
update b
set b.ÁÐA=a.ÁÐA
from openrowset( 'SQLOLEDB ', 'sql·þÎñÆ÷Ãû '; 'Óû§Ãû '; 'ÃÜÂë ',Êý¾Ý¿âÃû.dbo.±íÃû)as a inner join ±¾µØ±í b
on a.column1=b.column1
--openqueryÓ÷¨ÐèÒª´´½¨Ò»¸öÁ¬½Ó
--Ê×ÏÈ´´½¨Ò»¸öÁ¬½Ó´´½¨Á´½Ó·þÎñÆ÷
exec sp_addlinkedserver   'ITSV ', ' ', 'SQLOLEDB ', 'Ô¶³Ì·þÎñÆ÷Ãû»òipµØÖ· '
--²éѯ
select *
from openquery(ITSV,  'SELECT *  from Êý¾Ý¿â.dbo.±íÃû ')
--°Ñ±¾µØ±íµ¼ÈëÔ¶³Ì±í
insert openquery(ITSV,  'SELECT *  from Êý¾Ý¿â.dbo.±íÃû ')
select * from ±¾µØ±í
--¸üб¾µØ±í
update b
set b.ÁÐB=a.ÁÐB
from openquery(ITSV,  'SELECT * from Êý¾Ý¿â.dbo.±íÃû ') as a 
inner join ±¾µØ±í b on a.ÁÐA=b.ÁÐA
--3¡¢opendatasource/openrowset
SELECT   *
from   opendatasource( 'SQLOLEDB ',  'Data Source=ip/ServerName;User ID=µÇ½Ãû;Password=ÃÜÂë ' ).test.dbo.roy_ta
--°Ñ±¾µØ±íµ¼ÈëÔ¶³Ì±í


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MS SQL 2000/2005 Ð޸ıíËùÓÐÕß´æ´¢¹ý³Ì

Create PROCEDURE [dbo].[ChangeObjectOwner]
@OldOwner as NVARCHAR(128),
@NewOwner as NVARCHAR(128)
AS
DECLARE @Name   as NVARCHAR(128)
DECLARE @Owner  as NVARCHAR(128)
DECLARE @OwnerName as NVARCHAR(128)
DECLARE curObject CURSOR FOR
select 'Name' = name,
 'Owner'&n ......

SQL Server×Ô´ø±¸·ÝÕû¸öÊý¾Ý¿â½Å±¾¹¤¾ß scptxfr.exe


Ê×ÏÈÔÚsqlserverµÄ°²×°Â·¾¶Ï£¬È磺D:\Program Files\Microsoft SQL
Server\MSSQL\£¬ÕÒµ½ÎļþÃûÊÇscptxfr.exeµÄÎļþ,ÀûÓÃÃüÁîÐй¤¾ß£º¾ßÌåÓ÷¨ÈçÏ£º
D:\PROGRA~1\MICROS~2\MSSQL\>scptxfr/?
ÃüÁîÐÐÓï·¨:
SCPTXFR /s
<·þÎñÆ÷> /d <Êý¾Ý¿â> {[/I] | [/P <ÃÜÂë>]}
    &n ......

SQL Server±¨´íChinese_PRC_90_CI_AS

SQL Server 2005±¨ÁËÕâô¸ö´í£ºCannot resolve the collation conflict between "Chinese_PRC_CI_AS" and "Chinese_PRC_90_CI_AS" in the like operation.
ºó²éÖ¤£¬ÕâÊÇÓÉÓÚÁ½¸ö×ö±È½ÏµÄÁеÄÅÅÐò·½Ê½²»Í¬£¬ÖÐÎÄÓкܶàÖÖÅÅÐò·½Ê½£¬¶ÔÓ¦ÈçÏ£º
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Chinese_Hong_Kong_Stroke_90_CI_AS
ÖÐÎÄ£¨Ïã¸ÛÌØ±ðÐ ......

SQLÓï¾ä²éѯÊÇ·ñΪ¿Õ =null¼°null

  a                  b                             c&nb ......

C#ÖвÙ×÷OracleʱµÄSQLÓï¾ä²ÎÊýµÄÓ÷¨

C#ÖвÙ×÷OracleʱµÄSQLÓï¾ä²ÎÊýµÄÓ÷¨
OracleTransaction myTrans ;
            conn.Open();
            myTrans =conn.BeginTransaction(IsolationLevel.ReadCommitted) ......
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