Bruce Richardson <brichardson(at)lineone(dot)net> writes:
> If I have a set of tables and I set their primary keys all to the same
> sequence, as in
> ...
> Would this guarantee that each value of ID in any row of any of the
> tables would be unique amongst all of them?
As long as the sequence doesn't wrap around, yes.
IIRC, you can set up a sequence to error out rather than wrap when
it hits the max...
regards, tom lane