Tim Baumgartner <jongleur0815@gmx.de> writes:
> I have a transaction that updates several tables und runs a few minutes.
> During this transaction, another connection makes SELECTs from tables
> that are being modified by the first connection. Althaugh the second
> connection doesn't modify any rows, it has to wait until the first
> transaction is commited.
You're probably going to have to show us exactly what you're doing,
because that shouldn't be happening as stated; ergo you've left out
some critical detail.
regards, tom lane