RE: RE: SQL*Net message from client
- From: "Subbiah, Stalin" <SSubbiah@xxxxxxxxxxx>
- To: "'oracle-l@xxxxxxxxxxxxx'" <oracle-l@xxxxxxxxxxxxx>
- Date: Thu, 3 Jun 2004 18:19:37 -0700
Yes sort of but you don't want to hear how they simulated it. Ugly!
FYI...Timed_statistics were on.
-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx]
On Behalf Of ryan.gaffuri@xxxxxxx
Sent: Thursday, June 03, 2004 4:27 AM
To: oracle-l@xxxxxxxxxxxxx
Subject: Re: RE: SQL*Net message from client
From the way your update is written, it looks like it is running inside of a
pl/sql loop. Am I correct?
culprit number one, dml inside loops are hideously slow. Inspite of what
several books say.... Not sure why that would cause sqlnet waits.
> PARSING IN CURSOR #6 len=336 dep=0 uid=19 oct=6 lid=19 tim=1248377797
> hv=3885370321 ad='a7027a74'
> UPDATE warehouse.summary_hits_fact shf
> SET (hit_count) =
> (SELECT count(*)
> FROM hits_fact hf
> WHERE shf.page_hit_key = hf.page_hit_key
> AND shf.hit_date_key = hf.hit_date_key)
> WHERE shf.page_hit_key = :p1
> AND shf.hit_date_key = :p2
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