On 2011-11-02, Jan Peters <petersjan@gmx.at> wrote:
> Dear all,
> maybe a stupid question, but: I have a table that is ordered like this:
>
Tables aren't ordered. Sometimes they may seem to be ordered,
but they seldom stay that way for long.
> and I would like to number them according to their timestamps like this:
> How would I do this with an UPDATE statement (e.g.) in pgsql?
If you want ordered data use an ORDER BY clause in the select,
there is no other reliable way.
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