Thomas G. Lockhart wrote:
> > I understand the 'there is more than one operator' errors, but
> > what is so different between operators + and || ?
>
> ?? They are different operators, that's why. The "+" is addition, and
> the "||" is defined in SQL92 to be string concatenation.
>
>
Yes I know that, but why are they so different that I can have
ARG1 op ARG2 op ARG3
with + but not with ||
Hannu