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Re: [PROGRAMMERING] [SQL] Betinget INSERT?



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On 26 Mar 2009 10:18:04 +0100
Jacob Sparre Andersen <sslug@sslug> wrote:

> 
> Desværre er det Oracle 9. :-(
> 
> Så vidt jeg kan læse mig til det, har Oracle først gjort MERGE
> brugbart til mit formål i Oracle 10.
> 
Merge blev tilføjet 9i, men der er dog store performance problemer med
kommandoen, da hver iteration kræver 2 context switche, og den største
indvirkning på performance kommer ved et context switch.

- -- 
Hilsen/Regards
Michael Rasmussen
http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE3E80917
A computer is like air conditioning: it becomes useless when you open
windows.
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