Fails:
SELECT facid, name, membercost, monthlymaintenance FROM cd.facilities WHERE membercost > 0 AND (membercost / monthlymaintenance) < (1/50);
Succeeds:
SELECT facid, name, membercost, monthlymaintenance, (membercost / monthlymaintenance) as a FROM cd.facilities WHERE membercost > 0 AND (membercost / monthlymaintenance) < (0.02);
Fails: SELECT facid, name, membercost, monthlymaintenance FROM cd.facilities WHERE membercost > 0 AND (membercost / monthlymaintenance) < (1/50);
Succeeds: SELECT facid, name, membercost, monthlymaintenance, (membercost / monthlymaintenance) as a FROM cd.facilities WHERE membercost > 0 AND (membercost / monthlymaintenance) < (0.02);