On Mon, 25 Jun 2007, Pierre Thibaudeau wrote:
From my reading of the dataype documentation, the ONLY reason I can
think of for using "varchar(n)" would be in order to add an extra
data-type constraint to the column.
That's my understanding as well. I can think of a few reasons to use
char(n) over text if you know exactly how many characters you will always
have, but char isn't what you asked about.
---------------------------(end of broadcast)---------------------------
TIP 4: Have you searched our list archives?
http://archives.postgresql.org/
