Matthew Peter <survivedsushi(at)yahoo(dot)com> writes:
> Shouldn't >= also return Carols records since she
> contains records GREATER THAN 10000?
You seem to be reading the construct backwards.
x >= ALL (array)
is true if x >= every member of the array. This is clearly false
for x = 10000 and array = {20000, 25000, 25000, 25000} ... in fact,
x isn't >= any of those members.
regards, tom lane