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
1 PLS_INTEGER
PLS_INTEGER¿ÉÒÔ´æ´¢Ò»¸öÓзûºÅµÄÕûÐÎÖµ£¬Æä¾«¶È·¶Î§ºÍBINARY_INTEGERÒ»Ñù£¬ÊÇ£º-2^31~2^31¡£
PLS_INTEGERºÍNUMBER±È½ÏÆðÀ´£¬ÆäÓŵãÊÇ£º
1).Õ¼ÓнÏÉٵĴ洢¿Õ¼ä£»
2).¿ÉÒÔÖ±½Ó½øÐÐËãÊõÔËË㣨ÔÚNUMBERÉϲ»ÄÜÖ±½Ó½øÐÐËãÊõÔËË㣬Èç¹ûÒª¼ÆË㣬NUMBER±ØÐëÏȱ»×ª»»³É¶þ½øÖÆ£©¡£ËùÒÔÔÚ½øÐÐËãÊõµÄʱºòPLS_INTEGER ......
¸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¨ ......
WITH V AS(SELECT ROW_NUMBER() OVER(order by fcustid desc) AS RN,* from ts_dict AS SourceView)
SELECT * from V WHERE RN BETWEEN 1 AND 10
×ªÔØµØÖ·£ºhttp://www.cnblogs.com/nokiaguy/archive/2009/02/05/1384860.html
ÅÅÃûº¯ÊýÊÇSQL Server2005мӵŦÄÜ¡£ÔÚSQL Server2005ÖÐÓÐÈçÏÂËĸöÅÅÃûº ......
ÅÅÃûº¯ÊýÊÇSQL Server2005мӵŦÄÜ¡£ÔÚSQL Server2005ÖÐÓÐÈçÏÂËĸöÅÅÃûº¯Êý£º
1. row_number ×Ô¶¯Éú³ÉÐкÅ,ÐòºÅÓÉorder by ×ֶξö¶¨
2. rank over Filed, ÓÉrank overµÄ×ֶξö¶¨£¬Ãû´Î²»Á¬Ðø£¬ÈçÓÐ3¸ö²¢ÁеÚÒ»Ãû£¬ÔòºóÐøÃû´ÎÖ±½Ó´Ó4¿ªÊ¼
3. dense_rank£¬ºÍrankÏàËÆ£¬Ö»ÊÇÃû´ÎÁ¬Ðø£¬ÈçÓÐ3¸ö²¢ÁеÚÒ»Ãû£ ......
Question 1£º
Êý¾Ý¿âµÄÑé֤ģʽΪWindowsÑéÖ¤£¬É¾³ýÁËMS SQL ServerÕʺÅBUILTIN\Administrators,µÇ½²»ÉÏSQL Server¹ÜÀíÆ÷£¿
Answer£º
1.ÖØÐÂÔËÐÐMS SQL SERVERµÄ°²×°³ÌÐò£¬ÔÚ“°²×°Ñ¡ÏçÃæÀïÑ¡Ôñ“¸ß¼¶Ñ¡Ï¬ÏÂÒ»²½ºóÑ¡Ôñ“×¢²á±íÖØ½¨”£¬½ÓÏÂÀ´¸ú° ......