ODBC
 
标准连接
Driver={SQL Server};Server=myServerAddress;Database=myDataBase;

Uid=myUsername;Pwd=myPassword;
 
   
受信的连接
Driver={SQL Server};Server=myServerAddress;Database=myDataBase;

Trusted_Connection=Yes;
 
   
指定帐号和密码
oConn.Properties("Prompt") = adPromptAlways

Driver={SQL Server};Server=myServerAddress;Database=myDataBase;
 
   
OLE DB, OleDbConnection (.NET)
 
标准连接
Provider=sqloledb;Data Source=myServerAddress;Initial Catalog=myDataBase;

User Id=myUsername;Password=myPassword;
 
   
受信的连接
Provider=sqloledb;Data Source=myServerAddress;

Initial Catalog=myDataBase;Integrated Security=SSPI;
 
使用serverName\instanceName作为数据源可以指定SQL Server实例。 
  
连接到一个SQL Server的实例
指定服务器实例的表达式和其他SQL Server的连接字符串相同。  
Provider=sqloledb;Data Source=myServerName\theInstanceName;

Initial Catalog=myDataBase;Integrated Security=SSPI;
 
   
指定帐户和密码
oConn.Provider = "sqloledb"
oConn.Properties("Prompt") = adPromptAlways

Data Source=myServerAddress;Initial Catalog=myDataBase;
 
   
使用IP地址的连接
Provider=sqloledb;Data Source=190.190.200.100,1433;

Network Library=DBMSSOCN;Initial Catalog=myDataBase;

User ID=myUsername;Password=myPassword;
 
   
SqlConnection (.NET)
 
标准连接
Data Source=myServerAddress;Initial Catalog=myDataBase;

User Id=myUsername;Password=myPassword;
 
   
Standard Security alternative syntax
Server=myServerAddress;Database=myDataBase;User ID=myUsername;

Password=myPassword;Trusted_Connection=False;
 
   
受信任的连接
Data Source=myServerAddress;Initial Catalog=myDataBase;Integrated Security=SSPI;
 
   
Trusted Connection alternative syntax
Server=myServerAddress;Database=myDataBase;Trusted_Connection=True;
 
 
  
连接到SQL Server实例
指定服务器实例的表达式和其他SQL Server的连接字符串相同。  
Server=myServerName\theInstanceName;Database=myDataBase;Trusted_Connection=True;
 
   
Data Source=myServerAddress;Initial Catalog=myDataBase;Integrated Security=SSPI;User ID=myDomain\myUsername;Password=myPassword;
 
仅能用于CE设备。 
 
  
带有IP地址的连接
Data Source=190.190.200.100,1433;Network Library=DBMSSOCN;

Initial Catalog=myDataBase;User ID=myUsername;Password=myPassword;

指定包的大小
Server=myServerAddress;Database=myDataBase;User ID=myUsername;Password=myPassword;Trusted_Connection=False;Packet Size=4096;
 
默认的包大小为8192字节。 
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