RE: Order rows

From: Lord, David - CSG <David.Lord_at_hayscsg.com>
Date: Wed, 15 May 2002 00:43:17 -0800
Message-ID: <F001.00460C60.20020515004317@fatcity.com>

Use a sequence...

SQL> create sequence mysequence;
SQL> alter table abc add (sequence_no number);
SQL> insert into abc(sequence_no, a) values (mysequence.nextval, 500);

...
SQL> select a from abc order by sequence_no;

Using a date column will only give you accuracy down to a whole second.

> -----Original Message-----
> From: systems_ho/VGIL_at_vguard.satyam.net.in
> [mailto:systems_ho/VGIL_at_vguard.satyam.net.in]
> Sent: 15 May 2002 07:08
> To: Multiple recipients of list ORACLE-L
> Subject: Order rows
>
>
> Hi All
>
> Is there any method in Oracle to capture or order the rows in
> a table in
> the order they were entered.
> I tried it with rowid but when a row is deleted, the rowid
> corresponding to
> this row is reassigned for a new row
> which is inserted into the table at a later stage.
>
> Eg.
>
> SQL> select rowid,abc.* from abc order by rowid;
>
> ROWID A
> ------------------ ----------
> AAAFmYAASAAAYsqAAA 100
> AAAFmYAASAAAYsqAAB 200
> AAAFmYAASAAAYsqAAC 300
>
> I deleted one transaction.
>
> delete from abc where a=200;
> commit;
>
> Then I inserted two rows.
>
> insert into abc values(500);
> insert into abc values(600);
> commit;
>
> Now when I order by rowid
>
> SQL> select rowid,abc.* from abc order by rowid;
>
> ROWID A
> ------------------ ----------
> AAAFmYAASAAAYsqAAA 100
> AAAFmYAASAAAYsqAAB 600
> AAAFmYAASAAAYsqAAC 300
> AAAFmYAASAAAYsqAAD 500
>
> I.e The values I entered last appeared second.The rowid
> (AAAFmYAASAAAYsqAAB
> ) corresponding to the row I deleted was reassigned for the
> last entered
> row (a=600).
> What I want is that this must be sorted in the order of its entry.
> Can anyone help me out.
> Thanks in advance
> Systems.
>
>
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author:
> INET: systems_ho/VGIL_at_vguard.satyam.net.in
>
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---

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Lord, David - CSG
  INET: David.Lord_at_hayscsg.com

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Received on Wed May 15 2002 - 03:43:17 CDT