Markus Espenhain <[EMAIL PROTECTED]> 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, that the 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

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