Markus Espenhain <espenhain@etes.de> writes:
> On user who works with the Database create an new record and save this.
> Here the record becomes an ID and another Number from an two sequences.
> One other user ist in this moment working with the database and create an new record, too.
> Now he becomes in some circumstances the same ID like the first saved record from the other user with the effect,
thatthe other record is nolong in the database.
> Is this problem possible?
Not unless you're failing to use the sequences correctly. Show us the
SQL queries being issued by each application, please.
regards, tom lane
