I know you can add entries to a database from the DataWriter by creating a new instance of your DataWriter and the calling set("field_name", $data) . I can't seem to find this "set" function anywhere in order to see if there is an "update" function that is similar. I would like to update an entry by indicating which entry to update with the primary key, and then telling it which field to update along with the data. Something like update("Primary_Key_Field", $Primary_Key_To_Update, "field_to_update", $data). Is this possible? Thanks for any help.