Sim Zacks <sim(at)compulab(dot)co(dot)il> writes:
> The manual doesn't say exactly how much storage a numeric type uses, but
> it seems to me that it is taking up about 12 bytes per field. Does this
> make any sense?
Yeah, that would be the minimum size of a nonzero numeric value in 8.2.
(More recent versions can pack them a bit tighter in many cases.)
You might consider whether you can put all those numeric fields into an
array.
regards, tom lane