On 2009-04-12, Dirk Jagdmann <jagdmann@gmail.com> wrote:
>> When you need to choose between enum types, domain types or lookup tables
>> with foreign keys, what do you usualy choose?
>
> When I have a column with valid values that I know when writing my
> tables and that will *never* change I use an enum. For example a human
> gender type (and remember that there are 4 values for human sex if you
> want to model it completely).
"lambda moo" has even more genders than that.