Adriano,

A> Also don't like AS here.

As I said in a different post, I can't possibly counter that. If the
requirement is that "Adriano likes it", then just propose anything and
it will be perfect. :-)

>> b) param is value
>>
>> looks better for me
>>

A> AFAIK, IS is standard way to compare booleans, i.e., "X IS TRUE", so we
A> fall in the same ambiguity problem.

IS is also used for IS NULL and IS [NOT] DISTINCT FROM. I.e. it is
mainly used for testing, not binding.

Ciao
--
Nando Dessena