I missed replying to the correct email, but this tip from Igor Tandetnik worked beautifully:
Igor Tandetnik Thu, 29 Dec 2005 14:50:08 -0800 Brian Johnson wrote: I need to update a char field to add integer prefixes, but I need to pad them with zeroes so I can sort them. I'm not exactly sure what you are trying to do, but this would perhaps give you an idea: update table set field=substr('00...0' || field, -20, 20) assuming you want your fields padded to 20 characters wide. Here '00...0' is a string consisting of 20 '0' characters. Igor Tandetnik