Fredrik,
> I have a very simple sql-question from an sql-beginner:
Sure. Keep in mind that there is a pgsql-newbie list. Also quite a few
good books on the topic, including: Database Design for Mere Mortals and
SQL for Smarties.
> Then I want to change all occurences of NrA in Table A to NrB...
>
> I've tried:
>
UPDATE tableA Set tableA.nrA = B.nrB
From tableB B Where tableA.nrA = B.nrA;
This should work. What error message are you getting? And what version
of Postgres are you using?
-Josh
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