Re: [Q] Porting SQL to Oracle

Malcolm Dew-Jones wrote:

> A string is not a character, it is a set of characters. The number of
> characters in the set is one of it's attributes. A set of characters that
> has no charactes in it is still a perfectly good set, just like the bank
> account with no money is still a bank account.
>
> The bank account doesn't magically cease to exist just because it contains
> no money - the string doesn't magically cease to exist just because it
> contains no characters.

Wrong analogy. Try it from an OO perspective and see it make perfect sense.

--
Billy