database sql string

[janicemurby]

hi im attempting to get all selected checkboxes to show in a database column. But ive tried adding a sql string for database to the code below to add the selected to database but nothing is coming up. where is it best to add the string

<?php
  $aDoor = $_POST['formDoor'];
  if(empty($aDoor)) 
  {
    echo("You didn't select any buildings.");
  } 
  else
  {
    $N = count($aDoor);

    echo("You selected $N door(s): ");
    for($i=0; $i < $N; $i++)
    {
      echo($aDoor[$i] . " ");
    }
  }
?>

any help much appreciated

[Galbatorix]

Do you want to save the data to the db or query it. Please repost the code with the sql code where its supposed to be.