On Thu, June 19, 2008 1:29 am, Philip Newton wrote: > On Thu, Jun 19, 2008 at 08:25, Yitzchak Scott-Thoennes <sthoenna at efn.org> > wrote: > >> Reminds me of mysql's 1-bit boolean "varchar(0) null" type. > > Cute. Err, I mean "char(0) null". Going by the docs, varchar(0) takes 9 bits.