RE: Re: how to get oracle to ignore an index
- From: "Bobak, Mark" <Mark.Bobak@xxxxxxxxxxxxxxx>
- To: <oracle-l@xxxxxxxxxxxxx>
- Date: Fri, 6 Feb 2004 13:56:11 -0500
And, you can't get much more reliable than Jonathan....
-----Original Message-----
From: Jared.Still@xxxxxxxxxxx [mailto:Jared.Still@xxxxxxxxxxx]
Sent: Friday, February 06, 2004 1:51 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: Re: Re: how to get oracle to ignore an index
You may have seen it in an article.
The reliability of information depends on the source.
Jared
<ryan.gaffuri@xxxxxxx>
Sent by: oracle-l-bounce@xxxxxxxxxxxxx
02/06/2004 10:28 AM
Please respond to oracle-l
=20
To: oracle-l@xxxxxxxxxxxxx
cc:=20
Subject: Re: Re: how to get oracle to ignore an index
i cant reproduce the data for you. its internal. I tested it repeatedly. =
I=20
was very careful about the hint.=20
select /*+ index(<index_name>) */=20
select /*+ index(<table> <index_name>) */
Tried it repeatedly. I've seen it before. Sorry, I cant show you the =
data,=20
etc... I could have swarn I read in the docs that hints are just=20
directives and oracle does not have to use them? I cant find it right =
now.=20
Am I wrong? I'm pretty sure I have seen that several times.=20
>=20
> From: "Jonathan Lewis" <jonathan@xxxxxxxxxxxxxxxxxx>
> Date: 2004/02/06 Fri PM 12:52:47 EST
> To: <oracle-l@xxxxxxxxxxxxx>
> Subject: Re: Re: how to get oracle to ignore an index
>=20
>=20
> Why do you think that Oracle can choose to ignore hints ?
> Do you have reproducible example that proves the point ?
>=20
> Bear in mind that a comment that looks like
> a hint is only a hint if it is used correctly in
> the right context.
>=20
>=20
> Regards
>=20
> Jonathan Lewis
> http://www.jlcomp.demon.co.uk
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