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 Readme   Microsoft ActiveX(R) Data Objects Extensions 
 DDL  
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(c) 1998 Microsoft Corporation.     .

          , 
      Microsoft ADO Extensions 
 DDL   (ADOX).

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1.   
   
2. 
   
3.  

4.  ,   

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1.   
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 Microsoft ActiveX Data Objects Extensions  
Data Definition Language   (ADOX)  
        
 ADO.  ADOX   
      , 
    .   
        
 ,    ,   
     ,  
      .

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2. 
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 ADOX        
 ADO.      
,     , 
     .   
       , 
         .

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3.  
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3.1 /   , 
  

        
 Table, Index  Column    
 .        
      ,   
.    Table, Index  Column,    
      . 
    ,     
   .

    Table, Index  Column,   
        
          
 .        
      ,  
   .

3.2   ADOX    Microsoft OLE DB

   ADOX  ,  
       OLE DB. 
 ADOX       
Microsoft OLE DB      
 Microsoft Jet.     
Microsoft SQL Server OLE DB,    
Microsoft OLE DB  ODBC     
Microsoft OLE DB  Oracle,    
.  ADOX      
 OLE DB  Microsoft.

  Microsoft SQL Server OLE DB

   ,  , 
     ADOX,    :

:  Create.
:         
    (     
    /).
:  .
:  Append,  Delete,  Command.
:  Append  Delete.
:  .
:  .

  Microsoft OLE DB  ODBC

   ,  ,   
   ADOX,    :

:  Create.
:  Append  Delete.      
       (    
     /).
:  Append,  Delete,  Command.
:  Append,  Delete,  Command.
:  Append  Delete.
:  Append  Delete.
:  .
:  .

  Microsoft OLE DB  Oracle

   ,  , 
     ADOX,    :

:  Create.
:  Append  Delete.      
       (    
     /).
:  Append,  Delete,  Command.
:  Append,  Delete,  Command.
:  Append  Delete.
:  Append  Delete.
:  .
:  .


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4.  ,   
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       ADOX.

4.1   DateCreated/DateModified    Refresh

  DateCreated  DateModified    NULL 
     .   
    ,      Refresh 
  Views  Procedures,       
   DateCreated  DateModified.

4.2     ParentCatalog   Index

    ADOX,   ParentCatalog  
     Index.  ParentCatalog 
        
Column  Table.

4.3   adAccessRevoke    Rights 
  SetPermissions

    SetPermissions     , 
    Actions  adAccessRevoke  
    Rights.     
       Rights,  
    Actions  adAccessRevoke.

4.4  RelatedColumn   Append ( Keys)

     Append   Keys,   
    ,   
RelatedColumn.      :

Keys.Append Key [, KeyType] [, Column] [, RelatedTable] [, RelatedColumn]

  RelatedColumn  .  RelatedColumn 
   ,       
     .   RelatedTable 
        Name   
 Column.

4.5  adIndexNullsAllow   Enum    IndexNulls

     IndexNulls   Index 
      Enum   
  :

adIndexNullsAllow        ,   
     Null.     Null  
  ,     . 
