Jimmy, > NLS_CHARACTERSET=US7ASCII means 256 characters see http://www.asciitable.com/ >> >> > that's not 100% true. > only the first 127 char are defined. > That's what the 7 is standing for - ASCII 7-bit America > > Yes, you can trick the DB to store some 8-bit values. This will bring you > into a huge load of fun. > > sorry, > Martin > Good catch! I don't why I typed 256 characters. Actually, it is 128 characters - chr(0) to chr(127). I checked MOS and Oracle recommends using character set WE8MSWIN1252, which is a superset of WE8ISO8859P1, P9, P15 and US7ASCII. -- Jimmy Brock