Re: Performance UPDATE/INSERT

MG wrote:
> I have to improve the performance of the UPDATES and I was wondering why
> the UPDATEs need twice as long as the INSERTs.

IIRC, an UPDATE is a DELETE/INSERT combo. That's because the original
record still needs to be visible to other existing transactions (because
of MVCC). You can't change its data but need to create a new record
instead and mark the original as obsolete.

--
Alban Hertroys
alban@magproductions.nl

magproductions b.v.

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