Bruno Wolff III wrote:
> My memory of past discussion on this is that you would be able to set
> all 4 transaction isolation levels in a command, but you would really
> get the next level up for the two that we don't provide. This is OK
> since since they get at least the transaction isolation safety they
> need. The reason for doing this is portability.
That's exactly right, but it's more marketable with all four levels
"available". ;-)