Yusuf,
> Does anyone know where I could get some documentation
> on how the int and decimal are implemented so I could
> prove to him that ints are better? Can people suggest
> good points to make in order to prove it?
RTFM:
http://www.postgresql.org/docs/7.3/interactive/datatype.html#DATATYPE-NUMERIC
--
Josh Berkus
Aglio Database Solutions
San Francisco