On Sat, 3 May 2008 18:04:33 +0000 "David Strauss" <david at fourkitchens.com> wrote: > No, char(0). MySQL uses one bit to store the NULL/not NULL state. It is not portable. PostgreSQL and MS SQL as an example doesn't support char(0). + the other considerations I made. -- Ivan Sergio Borgonovo http://www.webthatworks.it