On 2016-08-04 11:23 PM, Jim Nasby wrote:
> I've got a customer that discovered something odd...
>
> SELECT f1 FROM v1 WHERE f2 not in (SELECT bad FROM v2 WHERE f3 = 1);
>
> does not error, even though bad doesn't exist, but
I'm guessing there's a v1.bad?
This is a common mistake, and also why I recommend always table
qualifying column references when there's more than one table in scope.
.m
