not closely enough :) my only excuse is that I had spent a few hours
in a "rah rah, we are wonderful" meeting today.... after we laid off
400 people last week.
brain dead. must get caffeine... immediately!
- Ron Thomas <rthomas_at_hypercom.com> wrote:
>
> Did you look at them...
>
> Ron Thomas
> Hypercom, Inc
> rthomas_at_hypercom.com
> Each new user of a new system uncovers a new class of bugs. --
> Kernighan
>
>
>
>
>
> wisernet100_at_yahoo
>
>
> .com To:
> ORACLE-L_at_fatcity.com
>
> Sent by: cc:
>
>
> root_at_fatcity.com Subject: RE: oracle
> full table scan
>
>
>
>
>
>
>
> 04/03/2003 02:08
>
>
> PM
>
>
> Please respond to
>
>
> ORACLE-L
>
>
>
>
>
>
>
>
>
>
>
>
> I got the attachments...
>
>
> --- Jared.Still_at_radisys.com wrote:
> > Sorry, the attachments didn't make it, though they were only text.
> >
> > I can put them some accessible via the web if anyone wants them.
> >
> > Jared
> >
> >
> >
> >
> >
> > Jared.Still_at_radisys.com
> > Sent by: root_at_fatcity.com
> > 04/03/2003 11:34 AM
> > Please respond to ORACLE-L
> >
> >
> > To: Multiple recipients of list ORACLE-L
> > <ORACLE-L_at_fatcity.com>
> > cc:
> > Subject: RE: oracle full table scan
> >
> >
> > If you can change it to an IOT, it may be beneficial.
> >
> > There's no blanket clause to be used that says 'Always do this'.
> >
> > I higly encourage folks on this list to setup and use the run_stats
> > method of comparing different access methods. This is something
> > Tom Kyte put together. It is very simple to use.
> >
> > URL: http://osi.oracle.com/~tkyte/runstats.html
> >
> > I've attached my versions of the scripts for your convenience.
> >
> > You can use these to easily compare unindexed vs indexed
> > reads on small tables, indexed vs IOT, etc.
> >
> > Jared
> >
> >
> >
> >
> >
> >
> >
> > "Jamadagni, Rajendra" <Rajendra.Jamadagni_at_espn.com>
> > Sent by: root_at_fatcity.com
> > 04/03/2003 10:05 AM
> > Please respond to ORACLE-L
> >
> >
> > To: Multiple recipients of list ORACLE-L
> > <ORACLE-L_at_fatcity.com>
> > cc:
> > Subject: RE: oracle full table scan
> >
> >
> > Thanks Jared,
> > What if my developer is selecting all or most of the records from
> the
> >
> > table and not all the columns in the select list are in the index
> > that
> > should have been used?
> > I understand your point, in fact to use Jonathan's words .. "should
> a
> >
> > small lookup table BE an index (IOT)?" ... I am testing this
> approach
> > here
> >
> > and have found some performance benefit out of it.
> > Cheers
> > Raj
> >
>
> >
> >
> > Rajendra dot Jamadagni at nospamespn dot com
> > All Views expressed in this email are strictly personal.
> > QOTD: Any clod can have facts, having an opinion is an art !
> >
> > -----Original Message-----
> > Sent: Thursday, April 03, 2003 1:01 PM
> > To: ORACLE-L_at_fatcity.com
> > Cc: Jamadagni, Rajendra
> > Importance: High
> >
> > Raj,
> > Indexing small tables is a good thing if you are doing single row
> > lookups.
> >
> > An index read and lookup by rowid is much more scalable than
> > doing an FTS, even if the table is only 2 blocks.
> > Jared
> >
> >
> >
> >
> >
> >
> > The previous attachment was filtered out by the ListGuru mailing
> > software at fatcity.com because binary attachments are not
> > appropriate
> > for mailing lists. If you want a copy of the attachment which was
> > removed, contact the sender directly and ask for it to be sent to
> > you by private E-mail.
> >
> > This warning is inserted into all messages containing binary
> > attachments which have been removed by ListGuru. If you have
> > questions
> > about this message, contact Postmaster_at_fatcity.com for
> clarification.
> > The previous attachment was filtered out by the ListGuru mailing
> > software at fatcity.com because binary attachments are not
> > appropriate
> > for mailing lists. If you want a copy of the attachment which was
> > removed, contact the sender directly and ask for it to be sent to
> > you by private E-mail.
> >
> > This warning is inserted into all messages containing binary
> > attachments which have been removed by ListGuru. If you have
> > questions
> > about this message, contact Postmaster_at_fatcity.com for
> clarification.
> > The previous attachment was filtered out by the ListGuru mailing
> > software at fatcity.com because binary attachments are not
> > appropriate
> > for mailing lists. If you want a copy of the attachment which was
> > removed, contact the sender directly and ask for it to be sent to
> > you by private E-mail.
> >
> > This warning is inserted into all messages containing binary
> > attachments which have been removed by ListGuru. If you have
> > questions
> > about this message, contact Postmaster_at_fatcity.com for
> clarification.
> > The previous attachment was filtered out by the ListGuru mailing
> > software at fatcity.com because binary attachments are not
> > appropriate
> > for mailing lists. If you want a copy of the attachment which was
> > removed, contact the sender directly and ask for it to be sent to
> > you by private E-mail.
> >
>
=== message truncated ===
Do you Yahoo!?
Yahoo! Tax Center - File online, calculators, forms, and more
http://tax.yahoo.com
--
Please see the official ORACLE-L FAQ: http://www.orafaq.net
--
Author: Rachel Carmichael
INET: wisernet100_at_yahoo.com
Fat City Network Services -- 858-538-5051 http://www.fatcity.com
San Diego, California -- Mailing list and web hosting services
---------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from). You may
also send the HELP command for other information (like subscribing).
Received on Thu Apr 03 2003 - 19:28:09 CST
