type 
  TForm1 = class(TForm) 
    tbSource: TTable; 
    tbTarget: TTable;  
  end; 

implementation 

procedure TForm1.Button1Click(Sender: TObject); 
begin 
  tbSource.TableName := 'Source.DB';  // The name of your tables which you want to copy from 
  tbTarget.TableName := 'Target.DB';  // The name of your tables which you will to copy to 
                                      // You Can  set the tbSource.DataBaseName to an existing path/Alias 
                                      //    where you store your DB 
                                      // You Can  set the tbTarget.DataBaseName to an existing path/Alias 
                                      //    where you want to store the duplicate DB 
  tbSource.StoreDefs := True; 
  tbTarget.StoreDefs := True; 
  tbSource.FieldDefs.Update; 
  tbSource.IndexDefs.Update; 
  tbTarget.FieldDefs := tbSource.FieldDefs; 
  tbTarget.IndexDefs := tbSource.IndexDefs; 
  tbTarget.CreateTable; 
end;