Daryl Beattie a écrit:
> Hi PostgreSQL people,
>
> I was wondering; I have noticed that sequences are not dropped
> automatically if they are used by a table. That's okay; I bet somebody has a
> good reason why this is so. However, when sequences are created implicitly
> by somebody using the SERIAL data type, does it not make sense to drop that
> sequence when the table is dropped?
> I'm just throwing the question out. :)
a sequence can be used by more than one table.
I presume it's the reason why seq are not dropped.