"Whatever Deep" <whatever(dot)deep(at)gmail(dot)com> writes:
> This question may sound dumb, but I would like to know if using
> "MixedCase sensitive quoted" names instead of lowercase names for
> object names has any negative hit to the database performance.
I can't imagine you could measure any performance difference ...
the two cases involve slightly different code paths in scan.l,
but after that it doesn't matter.
regards, tom lane