c# SQLÊý¾Ý¿âÔ¶³ÌÁ¬½Ó¼°ÅäÖ÷½·¨
Ò»£ºC# Á¬½ÓSQLÊý¾Ý¿â
Data Source=myServerAddress;Initial Catalog=myDataBase;User Id=myUsername;Password=myPassword;
Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;Initial Catalog=myDataBase;User ID=myUsername;Password=myPassword;
Server=myServerAddress;Database=myDataBase;User ID=myUsername;Password=myPassword;Trusted_Connection=False;
Server=myServerAddress;Database=myDataBase;Trusted_Connection=True;
Server=myServerName\theInstanceName;Database=myDataBase;Trusted_Connection=True;
Data Source=myServerAddress;Initial Catalog=myDataBase;Integrated Security=SSPI;
1£ºIntegrated Security²ÎÊý
µ±ÉèÖÃIntegrated SecurityΪ True µÄʱºò£¬Á¬½ÓÓï¾äÇ°ÃæµÄ UserID, PW ÊDz»Æð×÷Óõ쬼´²ÉÓÃwindowsÉí·ÝÑé֤ģʽ¡£
Ö»ÓÐÉèÖÃΪ False »òÊ¡ÂÔ¸ÃÏîµÄʱºò£¬²Å°´ÕÕ UserID, PW À´Á¬½Ó¡£
Integrated Security »¹¿ÉÒÔÉèÖÃΪ£ºsspi £¬Ï൱ÓÚ True£¬½¨ÒéÓÃÕâ¸ö´úÌæ True¡£
Data Source=myServerAddress;Initial Catalog=myDataBase;Integrated Security=SSPI;
Data Source=myServerAddress;Initial Catalog=myDataBase;Integrated Security=true;
Data Source=myServerAddress;Initial Catalog=myDataBase;;User ID=myUsername;Password=myPasswordIntegrated Security=false;
2£º²ÎÊýTrusted_Connection
Trusted_Connection=true£¬½«Ê¹Óõ±Ç°µÄ Windows ÕÊ»§Æ¾¾Ý½øÐÐÉí·ÝÑéÖ¤
Trusted_Connection=false;½«²»²ÉÓÃÐÅÈÎÁ¬½Ó·½Ê½(Ò²¼´²»²ÉÓÃWindowsÑéÖ¤·½Ê½)£¬¶ø¸ÄÓÉSQL Server 2000ÑéÖ¤·½Ê½
Server=myServerAddress;Database=myDataBase;User ID=myUsername;Password=myPassword;Trusted_Connection=false;
Server=myServerAddress;Database=myDataBase;Trusted_Connection=True;
3£ºInitial CatalogÊÇÄãÒªÁ¬½ÓµÄÊý¾Ý¿âµÄÃû×Ö
4£ºWINCEÁ¬½Ó
Data Source=myServerAddress;Initial Catalog=myDataBase;Integrated Security=SSPI;User ID=myDomain\myUsername;Password=myPassword;
¶þ£º¿ÉÒÔÀûÓÃSqlConnectionStringBuilder£¬ÕâÑù²»±ØÈ¥¼
Ïà¹ØÎĵµ£º
¸ÐлÌ῵µÂÂÞ¼ÓµÄͶµÝ
¾ÍÏñµ±Ä겨ʿ¶ÙµÄ°®¹úÕßΪ·´¿¹Ó¢¹úÖØË°µÄÐж¯Ò»Ñù£¬NoSQLµÄÖ§³ÖÕßÃÇ´Ó¸÷µØÓ¿À´£¬·ÖÏíËûÃÇÈçºÎÍÆ·»ºÂý¶ø°º¹óµÄ¹ØÏµÊý¾Ý¿âµÄ±©Õþ£¬ÔõÑùʹÓøüÓÐЧºÍ¸ü±ãÒ˵ķ½·¨À´¹ÜÀíÊý¾Ý£¬ËûÃÇ¿ªÊ¼¶ÔSQL˵²»£¡NoSQL×éÖ¯ÉϸöÔÂÔھɽðɽµÄÐж¯ÈÃÈËÎŵ½ÁËÊý¾Ý¿â¸ïÃüµÄζµÀ£¬ºÃÏñÒ»¸öÏÖ´úITÒµ°æµÄ²¨ ......
À´Ô´http://hi.baidu.com/smilevt/blog/item/04bddeef0fe3f42e2cf5348b.htmlÕâÀﻹÓкܶàsql serverµÄÌû×Ó
1. µ±Ç°ÏµÍ³ÈÕÆÚ¡¢Ê±¼ä
select getdate()
2. dateadd ÔÚÏòÖ¸¶¨ÈÕÆÚ¼ÓÉÏÒ»¶Îʱ¼äµÄ»ù´¡ÉÏ£¬·µ»ØÐ嵀 datetime Öµ
ÀýÈ磺ÏòÈÕÆÚ¼ÓÉÏ2Ìì
select dateadd(day,2,'2004-10-15') --·µ»Ø£º2004-10-17 00:00:00. ......
USE master
GO
DECLARE @SQL VARCHAR(MAX);
SET @SQL=''
SELECT @SQL=@SQL+'; KILL '+RTRIM(SPID)
from master..sysprocesses
WHERE dbid=DB_ID('hotel');
EXEC(@SQL);
GO
ALTER DATABASE hotel SET MULTI_USER ......
µ±ÄãÕýÔÚ´¦Àí±»¶à¸öÕ¾µã£¨ÏñÔÚ¿ç¹ú¹«Ë¾Ìõ¼þÏ£©Ê¹ÓõĴóÊý¾Ý¿âʱ£¬ÄãÒ²Ðí»áÓöµ½±£Ö¤±í¸ñ¶ÔÏóΨһÐÔÕâÑùµÄ¼¬ÊÖÎÊÌâ¡£ÔÚÕâÖÖÇéÐÎÏ£¬¿ÉÄÜÖ»ÄÜ¿¿UNIQUEIDENTIFIERÀ´½â¾ö¡£UNIQUEIDENTIFIERÊÇÒ»¸ö±£´æÈ«¾ÖΨһ±êʶ·ûµÄGUIDÊý¾ÝÀàÐÍ¡£GUIDÊÇÒ»¸ö±£Ö¤Î¨Ò»µÄ¶þ½øÖÆÊý£¬Òò´Ë¼¸ºõûÓбðµÄ¼ÆËã»ú»á²úÉúͬһ¸öÖµ¡£
GUIDµÄΨһֵÊÇÓÉ¼Æ ......