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²É·Ã·Ö²¼Ê½Êý¾Ý·ÃÎʲã(Data Access Layer)

·Ö²¼Ê½(Distributed)Êý¾Ý·ÃÎʲã(Data Access Layer)(ÒÔϼò³ÆDAL)ÊÇ×ÛºÏMySQL Proxy¡¢Memcached¡¢¼¯ÈºµÈµÈ¼¼ÊõÓÅµã¶ø¹¹½¨µÄÒ»¸öÈí¼þϵͳ¡£Ä¿µÄÊÇΪÁ˽â¾öÔÚ¹¹½¨´óÖÐÐÍÍøÕ¾Ê±Óöµ½µÄºÍÊý¾Ý·ÃÎÊÓйصÄÖî¶àÎÊÌ⣬ÈçÔõôʹµÃÇпâ·Ö±í͸Ã÷»¯£¬ÈçºÎʹµÃ»º´æ´æÈ¡Çå³ý×Ô¶¯»¯£¬ÔõÑù²ÅÄܸüºÃµØ·ÀÖ¹·þÎñµ¥µã¹ÊÕϵȵÈ


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½â¾öVSSÖÐAccess to file "rights.dat" deniedµÄ´íÎó


1¡¢VSS¿Í»§¶Ë´ò¿ª¹¤³ÌʱÌáʾ Access to file"\\***\rights.dat" denied
 ¸ÃÌáʾÊÇָûÓÐÍøÂç·ÃÎʵÄȨÏÞ£¬Óû§ÒªÔÚ¹²ÏíÎļþ¼ÐÓпÉдµÄȨÏ޲ſÉÒÔ¡£ÎÒÃÇÔÚÉèÖù²ÏíÎļþµÄʱºòÓ¦¸ÃÔÊÐíдÈë¡£
2¡¢ÎªVSSÉèÖû·¾³±äÁ¿
 Ä¬ÈÏÇé¿öÏÂÎÒÃÇÿ´Î´ò¿ªVSS¿Í»§¶ËÌî³äµÄÓû§Ãû¶¼Êǵ±Ç°ÏµÍ³µÇ½µÄÓû§£¬ÕâÑùʹÓÃÆðÀ´ºÜ²»·½±ã¡ ......

AccessÊý¾Ý¿âµÄÁ¬½Ó·½·¨

  ÕâÁ½Ì쿪ʼѧϰACCESSÊý¾Ý¿âµÄÁ¬½Ó£¬¸Ð¾õ²»ÊÇÌØ±ðµÄ˳ÊÖ£¬¶ÔÊý¾Ý¿âµÄÁ¬½ÓµÄÕû¸ö¹ý³Ì»¹²»ÊÇÌØ±ðµÄÁ˽⡣
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
usi ......

AccessµÄ×ªÒÆ×Ö·û

AccessÖÐÊý¾Ý¿âתÒå×Ö·û¹æÔò£º
 
²åÈë¡¢¸üС¢=Æ¥Åä Êý¾Ýʱ£¬Îı¾ÀàÐÍÈçÓÃ''À¨ÆðÀ´£¬Öмä¿ÉÒÔÓÐ ",*,%,[,],\,/,?,(,),{,}µÄÈÎÒâ×éºÏ£¬ÈçÒª²åÈëÒ»¸ö',Ðèд''²¢ÔÚÕû¸ö±í´ïʽÍâÌ×Ò»¶Ô''
È磬²åÈë 'ÕÅ''Èý',Êý¾Ý¿âÀï¾ÍÊÇ ÕÅ'Èý£¬Ó÷½À¨ºÅÊDz»¿ÉÒÔµÄ
 
²åÈë¡¢¸üС¢=Æ¥Åä Êý¾Ýʱ£¬Îı¾ÀàÐÍÈçÓÃ""À¨ÆðÀ´£¬Öмä¿ÉÒÔ ......

access²Ù×÷

uses
ADODB;
procedure TForm1.SetupTable(sender:tobject);
Var
adocon1:TADOConnection;
strSQL:string;
Const
SConnectionString= 'Provider=Microsoft.Jet.OLEDB.4.0;Data Source=%s;'
+'Jet OLEDB:Database Password=%s;';
begin
adocon1:=TADOConnection.creat(self);
adocon1.ConnectionString:=format(S ......
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