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Home -> Community -> Mailing Lists -> Oracle-L -> RE: Finding out last 10 records
Take the emp table as an example
Select rownum, empno
from emp
where rownum < ( Select count(*) + 1 from emp)
minus
Select rownum, empno
from emp
where rownum < ( Select (count(*) + 1) - 10 from emp)
Hope this works
Fazal
--- Amjad Saiyed <amjad_at_medicomsoft.com> wrote:
> hi milind
>
> iam not sure but does <= will work coz with rownum
> i thought
> only < worked.....hence we could use "< 11"
> i not sure can u let me know ...
>
> thanx and rgds,
> Ams....
>
> -----Original Message-----
> Sent: Wednesday, August 14, 2002 7:13 PM
> To: Multiple recipients of list ORACLE-L
>
>
> Hi Santosh,
>
> If I understand your requirement correctly, this
> could be the solution
>
> for first 10 records :
> select * from TABLE_NAME where rownum<=10 order by
> rowid;
> for last 10 records :
> select * from contract where rownum<=10 order by
> rowid desc;
>
> MILIND SHITOLE
> milinds_at_sage.co.za
>
>
> >From: "Amjad Saiyed" <amjad_at_medicomsoft.com>
> >Reply-To: ORACLE-L_at_fatcity.com
> >To: Multiple recipients of list ORACLE-L
> <ORACLE-L_at_fatcity.com>
> >Subject: RE: Finding out last 10 records
> >Date: Wed, 14 Aug 2002 04:28:24 -0800
> >
> >i thought santosh wanted records based on value
> that is 1st 10 minimal
> >values and last 10 max values...well if this is not
> the case than the
> >solution that i had send using rownum is obsolete
> and hence ignore it....
> >
> >rgds,
> >Ams.
> >www.medicomsoft.com.
> > -----Original Message-----
> > From: root_at_fatcity.com
> [mailto:root_at_fatcity.com]On Behalf Of Alexandre
> >Gorbatchev
> > Sent: Wednesday, August 14, 2002 3:08 PM
> > To: Multiple recipients of list ORACLE-L
> > Subject: Re: Finding out last 10 records
> >
> >
> > Santosh,
> >
> > There is no "last" and "first" records in
> relational databases in terms
> >of
> >location. All records are equal and may be stored
> physically anywhere. I
> >guess that may be possible (parsing ROWID and using
> information about
> >extent
> >location) to sort records by extent, block and
> number of record inside
> >block, but that's not a trivial task.
> > If you need to select last 10 inserted records,
> make a trigger with
> >filling a timestamp into a column and select with
> sort by this column using
> >rownum in where condition.
> >
> > Alexandre
> > ----- Original Message -----
> > From: Santosh Varma
> > To: Multiple recipients of list ORACLE-L
> > Sent: Wednesday, August 14, 2002 11:48 AM
> > Subject: Finding out last 10 records
> >
> >
> > Hello all
> > Could any one of you guide me on how to
> select last 10 records
> >from
> >a table. and also finding out first 10 records..
> >
> > Thanks and regards,
> >
> > Santosh
> >
> >
>
>
>
>
>
-- Please see the official ORACLE-L FAQ: http://www.orafaq.com -- Author: Abul Fazal INET: angmokios_at_yahoo.com Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051 San Diego, California -- Public Internet access / Mailing Lists -------------------------------------------------------------------- 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 Aug 15 2002 - 10:18:37 CDT