Description

This method shows an delphi implementation of an access database feature that able us to compress or repair databases.

Delphi code

uses
  ComObj;

function CompactAndRepair(DB: string): Boolean; {DB = Path to Access Database}
var
  v: OLEvariant;
begin
  Result := True;
  try
    v := CreateOLEObject('JRO.JetEngine');
    try
      V.CompactDatabase('Provider=Microsoft.Jet.OLEDB.4.0;Data Source='+DB,
                        'Provider=Microsoft.Jet.OLEDB.4.0;Data Source='+DB+'x;Jet OLEDB:Engine Type=5');
      DeleteFile(DB);
      RenameFile(DB+'x',DB);
    finally
      V := Unassigned;
    end;
  except
    Result := False;
  end;
end;