Is there any document describing the SQL backend specific options already? If not what is upper_func for? -- Heiko Nardmann (Dipl.-Ing.), h.nardmann@secunet.de, Software Development secunet Security Networks AG - Sicherheit in Netzwerken (www.secunet.de), Weidenauer Str. 223-225, D-57076 Siegen Tel. : +49 271 48950-13, Fax : +49 271 48950-50