<form name = "busqueda" action = "buscar.php" method ="post">
<input type = "text" name ="consulta"></input>
<input type="submit" name="busca" value="Enviar"></input>
</form>
<?php
$busqueda = $_POST['busqueda'];
$buscar = $_POST ['busca'];
if (isset ($busca)){
$conexion = mysql_connect ("localhost","root","1234") or die (mysql_error());
$bd = mysql_select_db ("alquiler",$conexion) or die (mysql_error());
$consulta = mysql_query ("SELECT * FROM vehiculos WHERE CODIGO LIKE 'consulta'");
echo "<table border='1'>";
while ($dato = mysql_fetch_assoc ($consulta)){
echo '<tr>
<td width="226">'.$dato ['EMPRESA'].' </td>
</tr>';
}
}
?>