问德尔福FireDAC与MS 2010数据库。为什么它要把ACE转换成Jet呢？

EN

00 01 00 00 53 74 61 6E 64 61 72 64 20 41 43 45 20 44 42 00 02 00 00 00 B5 6E 03 62 60 09 C2 55 E9 A9 67 72 40 3F 00 9C 7E 9F 90 FF 85 9A 31 C5
....Standard ACE DB.....µn.b`.ÂUé©gr@?.œ~Ÿ.ÿ…š1Å

  FAccessDB := TFDConnection.Create(Self);
  FAccessDB.Name := '';
  FAccessDB.Params.Clear;
  FAccessDB.Params.Add('DriverID=MSAcc_Direct');
  FAccessDB.LoginPrompt := False;

  // FDPhysMSAccessDriverLink1
  FFDPhysMSAccessDriverLink1 := TFDPhysMSAccessDriverLink.Create(Self);
  FFDPhysMSAccessDriverLink1.Name := '';
  FFDPhysMSAccessDriverLink1.DriverID := 'MSAcc_Direct';

  // Table_Out
  FFDTable_Out := TFDTable.Create(Self);
  FFDTable_Out.Name := '';
  FFDTable_Out.Connection := FAccessDB;

  // FDBatchMove1
  FFDBatchMove1 := TFDBatchMove.Create(Self);
  FFDBatchMove1.Name := '';
  FFDBatchMove1.OnError := FDBatchMove1Error;
  FFDBatchMove1.OnFindDestRecord := FDBatchMove1FindDestRecord;
  FFDBatchMove1.OnProgress := FDBatchMove1Progress;

  // FDBatchMoveDataSetReader1
  FFDBatchMoveDataSetReader1 := TFDBatchMoveDataSetReader.Create(Self);
  FFDBatchMoveDataSetReader1.Name := '';

  // FDBatchMoveDataSetWriter1
  FFDBatchMoveDataSetWriter1 := TFDBatchMoveDataSetWriter.Create(Self);
  FFDBatchMoveDataSetWriter1.Name := '';

  // FDBatchMove1
  FFDBatchMove1.Reader := FFDBatchMoveDataSetReader1;
  FFDBatchMove1.Writer := FFDBatchMoveDataSetWriter1;
  FFDBatchMove1.Options := [poIdentityInsert];

  FAccessDB.Params.Values['Database'] := 'database.accdb';
  FAccessDB.Connected := True;
  aDropTableSQL := 'DROP TABLE ' + FTablenameDest;
  FAccessDB.ExecSQL(aDropTableSQL);
  FAccessDB.Commit;
  aCreateTableSQL := 'CREATE TABLE ' + FTablenameDest; // plus the rest 
                                              //of the create statement

  FFDTable_Out.TableName := FTablenameDest;
  FFDTable_Out.Active := True;
  FFDBatchMoveDataSetReader1.DataSet := FDataSetSrc; // a TDataset from 
                                                       // another database 
  FFDBatchMoveDataSetWriter1.DataSet := FFDTable_Out;
  FFDBatchMoveDataSetWriter1.Direct := True;

  FFDBatchMoveDataSetReader1.DataSet.Active := True;
  FFDBatchMoveDataSetWriter1.DataSet.Active := True;

  FFDBatchMove1.Mode := dmAlwaysInsert;
  FFDBatchMove1.Execute;
  FAccessDB.Commit;
  FAccessDB.Connected := False;

  FFDMSAccessService1 := TFDMSAccessService.Create(Self);
  FFDMSAccessService1.Name := '';

  FFDMSAccessService1.Database := 'database.accdb';
  FFDMSAccessService1.DestDatabase := 'database.accdb_temp.accdb';

  FFDMSAccessService1.DBVersion := avAccess2007;

  FFDMSAccessService1.Compact;   // <-- seems to convert here...

00 01 00 00 53 74 61 6E 64 61 72 64 20 4A 65 74 20 44 42 00 01 00 00 00 B5 6E 03 62 60 09 C2 55 E9 A9 67 72 40 3F 00 9C 7E 9F 90 FF 85 9A 31 C5
....Standard Jet DB.....µn.b`.ÂUé©gr@?.œ~Ÿ.ÿ…š1Å