Re: [GENERAL] 'a' == 'a '

"Dann Corbit" <DCorbit@connx.com> writes:
> I guess that additional ambiguity arises if you add additional spaces to
> the end.  Many database systems solve this by trimming the characters
> from the end of the string upon storage and the returned string will not
> have any trailing blanks.

Can you document that?  ISTM that that would effectively make char(n)
and varchar(n) exactly equivalent, which is ... um ... a bit stupid.
        regards, tom lane