I use joomla to manage a website... and i am developing a stand alone php application that will insert and modify data into the tables that are used by joomla to store the
Just to confirm, your query looks like this right:
$query = ' UPDATE "'.mysql_real_escape_string ($jos_content).'" SET introtext = "'.mysql_real_escape_string ($intro_code).'", fulltext = "'.mysql_real_escape_string ($article_code).'" WHERE id = "'.mysql_real_escape_string ($article_id).'" ";