---------------------------------------------------------------
Microsoft(R) SQL Server OLE DB Provider 7.00.459.  
---------------------------------------------------------------

(c)  , 1998.   .

   ,   Microsoft SQL Server OLE DB Provider.

----------

----------

1.  
   
2.  

--------------------
1.  
--------------------
  SQLOLEDB (Microsoft SQL Server OLE DB)      
     SQL Server.

------------------------
2.  
------------------------

2.1     SQLOLEDB

    SQLOLEDB    .

*  DBPROP_INIT_DATASOURCE       SQL Server. 
         .

*  DBPROP_INIT_CATALOG      .

*  DBPROP_INIT_LOCATION   .

*   DBPROP_AUTH_INTEGRATED.     'SSPI',   
  .      BSTR,  
   SQL Server.

*  SSPROP_AUTH_TRUSTEDCONNECTION   .

*  DBPROP_INIT_MODE,    ,   .

2.2
      ,      
,            
.

*    DBPROP_MULTIPLECONNECTIONS  VARIANT_TRUE.
*        ,      .
*      .

     ,       
  E_FAIL.    ,    
DBPROP_MULTIPLECONNECTIONS  VARIANT_FALSE,      
   DB_E_OBJECTOPEN.

      SQL Server   . 
       .   
  ,   ,    
   ,   .

2.3
       ,   SQLOLEDB 
            
 ICommandWithParameters::GetParameterInfo  ICommandPrepare::Prepare.  , 
   SQLOLEDB      .

*       ICommandWithParameters::SetParameterInfo.
*    DBTYPE     SQL .

             
 ,     ,       SQL 
.

        .

*     ICommandWithParameters::SetParameterInfo   
 pwszDataSourceType    SQL.
*     ,   DBTYPE,   , 
 ,     SQL .
*   ICommandWithParameters::GetParameterInfo     
   SQL .       .

2.4
 DBPROP_CHANGEINSERTEDROWS     VARIANT_TRUE,    
   .
