Maybe something like the shirts would work

Select name
from RDBMS
where License_Cost = 0
and License_Restrictions is null
and Administration is null
and Reliabile = 'T'
and ACID = 'T'
and Win32 = 'T'
and MacOS = 'T'
and Linux = 'T'
and

hmmm, come to think of it it may get too long for a slogan. Boolean
datatype would be nice ;)

Adam