Column display format types

A column's display format may be one of the following:

char Alphanumeric Text
num Number: 1,234,567.89
nocommas Number: 1234567.89
date Date: 10/15/98
month Month/Year: 10/03
quarter Quarter/Year: 2Q03
hms24 Time: 22:45:56
datehms24 Date+Time: 10/15/98_22:45:56