Re: Hanging query puzzle

  Thanks. Didn't know that. See you in Dallas next Sunday ;)

Regards,
Denny

Quoting Jonathan Lewis <jonathan_at_jlcomp.demon.co.uk>:

>
> Just a warning for the future - this is no longer true
> on all versions of Oracle 9 because the wait_time
> column is a copy of the underlying x$ timing
> column rounded from microseconds to hundredths.
> Hence the wait_time can show a zero when the
> actual time is non-zero.
>
> You should depend only on the STATE column
> which is a decode of the basic microsecond value,
> and shows 'WAITING' if and only if the microsecond
> time is zero.
>
>
> Regards
>
> Jonathan Lewis
> http://www.jlcomp.demon.co.uk
>
> Coming soon one-day tutorials:
> Cost Based Optimisation
> Trouble-shooting and Tuning
> Indexing Strategies
> (see http://www.jlcomp.demon.co.uk/tutorial.html )
>
> ____UK_______March 19th
> ____USA_(FL)_May 2nd
>
>
> Next Seminar dates:
> (see http://www.jlcomp.demon.co.uk/seminar.html )
>
> ____USA_(CA, TX)_August
>
>
> The Co-operative Oracle Users' FAQ
> http://www.jlcomp.demon.co.uk/faq/ind_faq.html
>
>
> -----Original Message-----
> To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
> Date: 05 February 2003 20:50
>
>
> >
> > What is the value for WAIT_TIME ? This may not be an IO problem
> > if 'WAIT_TIME' is not 0. A session is waiting only when 'WAIT_TIME'
> is 0.
> >
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.net
> --
> Author: Jonathan Lewis
> INET: jonathan_at_jlcomp.demon.co.uk

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Denny Koovakattu
  INET: groups_at_koovakattu.com

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