Microsoft ActiveX Data Objects . , OLE DB.
ADO OLE DB (. 19.1). , , ADO, , SQL, , . SQL, ADO, .
. 19.1. ADO
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, SQL . , , . .? ADO OLE DB.
OLE DB , , , .
ADO, ( , , ) , . , , .
OLE DB , . CLSID, . CoCreateinstance . , .
, OLE DB, "" (, ) SQL.
ADO OLE DB, , . ADO, .
. ADO. . , , , CASE- . .
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ADO , Windows, .
OLE DB Microsoft .
OLE DB , .
- (Enumerator) . ADO.
- - (Data Source Object) .
- (Session) , .
- (Trasaction) .
- (Command) . SQL, . .
- (Rowset) , ADO.
- - (Error) .
OLE DB.
ADO, ( , , ) . . ADO. , .
ADO . OLE DB, :
- Command () ( SQL -);
- Data Source ( ) ;
- Enumerator () ADO;
- Error () ;
- Rowset ( ) , ;
- Session () - , ;
- Transaction () OLE DB.
, ADO. Delphi .
Delphi , ADO, ADO . :
- ADOConnection ADO-, ADO- ;
- ADOCommand ADO-, SQL- ADO- ;
- ADODataSet ADO, ADO- , Dbl DataSource DataSet. ADOTable, ADOQuery, ADOStoredProc;
- Dbl - ADO, ADO- , ADOTable DataSource;
- ADOQuery ADO, SQL- ADO- , ADOTable DataSource;
- ADOStoredProc ADO, , ADO;
- RDSConnection RDS-, Recordset () . .
ADOConnection ADO, .
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ADO, , ADO ConnectionString, .