{ Пример записи в BLOB-поле содержимого файла с отображением его
  в DBMemo }
unit Unit1;

interface

uses
  Windows, Messages, SysUtils, Classes, Graphics, Controls, Forms, Dialogs,
  StdCtrls, Db, SaDb, DBCtrls;

type
  TForm1 = class(TForm)
    SaDb1: TSaDb;
    SaDs1: TSaDs;
    SaDs1f1: TBlobField;
    Button1: TButton;
    DataSource1: TDataSource;
    DBMemo1: TDBMemo;
    procedure Button1Click(Sender: TObject);
  private
    { Private declarations }
  public
    { Public declarations }
  end;

var
  Form1: TForm1;

implementation

{$R *.DFM}

procedure TForm1.Button1Click(Sender: TObject);
begin
  SaDs1.Insert;
  SaDs1f1.LoadFromFile ('d:\ReadMe_ru.txt');
  SaDs1.Post;
  SaDs1.Refresh;
end;

end.