Re: sort without order by

What is the syntax for the index on a heap organized table?

Thomas Kyte <tkyte_at_us.oracle.com> wrote:
> A copy of this was sent to Norris <jcheong_at_cooper.com.hk>
> (if that email address didn't require changing)
> On 20 Nov 1999 01:43:20 GMT, you wrote:

>>What I mean is I can use IOT to find minimum 2 or 3 quickly >>

> you can but you can also just use an index on a heap organized (regular) table
> just as well.

>>Ed Stevens <Ed.Stevens_at_nmm.nissan-usa.com> wrote:
>>> In article <812d3g$2v46$1_at_adenine.netfront.net>,
>>>   Norris <jcheong_at_cooper.com.hk> wrote:
>>>> So, if I want to find minimum value of the key, I can use IOT to find
>>> it quickly, am I right?
>>>>
>>>> Thomas Kyte <tkyte_at_us.oracle.com> wrote:
>>>> > A copy of this was sent to karsten_schmidt8891_at_my-deja.com
>>>> > (if that email address didn't require changing)
>>>> > On Thu, 18 Nov 1999 10:33:31 GMT, you wrote:
>>>>
>>>> >>Hi,
>>>> >>
>>>> >> not sure whether I 'd rely on this feature of index-organised
>>> tables.
>>>>
>>>> > It is a documented feature of IOT's, from the server concepts
>>> manual:
>>>>
>>>> > <quote>
>>>> > Ordinary Table
>>>> > .....
>>>> > Sequential scan returns all rows
>>>>
>>>> > Index-Organized Table
>>>> > ....
>>>> > Full-index scan returns all rows in primary key order
>>>> > </quote>
>>>>

> --
> See http://osi.oracle.com/~tkyte/ for my columns 'Digging-in to Oracle8i'...
> Current article is "Part I of V, Autonomous Transactions" updated June 21'st
>
> Thomas Kyte tkyte_at_us.oracle.com
> Oracle Service Industries Reston, VA USA

> Opinions are mine and do not necessarily reflect those of Oracle Corporation
Received on Sat Nov 20 1999 - 12:26:13 CST